20175668744

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:896

約数の個数: 192

約数和(自身を含む): 49478553600

約数和(自身を除く): 29302884856

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 121, 124, 139, 154, 217, 242, 248, 278, 308, 341, 434, 484, 556, 616, 682, 691, 847, 868, 968, 973, 1112, 1364, 1382, 1529, 1694, 1736, 1946, 2387, 2728, 2764, 3058, 3388, 3751, 3892, 4309, 4774, 4837, 5528, 6116, 6776, 7502, 7601, 7784, 8618, 9548, 9674, 10703, 12232, 15004, 15202, 16819, 17236, 19096, 19348, 21406, 21421, 26257, 30008, 30163, 30404, 33638, 34472, 38696, 42812, 42842, 47399, 52514, 53207, 60326, 60808, 67276, 83611, 85624, 85684, 94798, 96049, 105028, 106414, 117733, 120652, 134552, 149947, 167222, 171368, 189596, 192098, 210056, 212828, 235466, 235631, 241304, 299894, 331793, 334444, 379192, 384196, 425656, 470932, 471262, 521389, 585277, 599788, 663586, 668888, 672343, 768392, 941864, 942524, 1042778, 1056539, 1170554, 1199576, 1327172, 1344686, 1649417, 1885048, 2085556, 2113078, 2341108, 2591941, 2654344, 2689372, 2977519, 3298834, 3649723, 4171112, 4226156, 4682216, 5183882, 5378744, 5955038, 6597668, 7299446, 7395773, 8452312, 10367764, 11621929, 11910076, 13195336, 14598892, 14791546, 18143587, 20735528, 20842633, 23243858, 23820152, 29197784, 29583092, 32752709, 36287174, 41685266, 46487716, 59166184, 65505418, 72574348, 81353503, 83370532, 92975432, 131010836, 145148696, 162707006, 166741064, 229268963, 262021672, 325414012, 360279799, 458537926, 650828024, 720559598, 917075852, 1441119196, 1834151704, 2521958593, 2882238392, 5043917186, 10087834372, 20175668744]

約数ペア:

[(1, 20175668744), (2, 10087834372), (4, 5043917186), (7, 2882238392), (8, 2521958593), (11, 1834151704), (14, 1441119196), (22, 917075852), (28, 720559598), (31, 650828024), (44, 458537926), (56, 360279799), (62, 325414012), (77, 262021672), (88, 229268963), (121, 166741064), (124, 162707006), (139, 145148696), (154, 131010836), (217, 92975432), (242, 83370532), (248, 81353503), (278, 72574348), (308, 65505418), (341, 59166184), (434, 46487716), (484, 41685266), (556, 36287174), (616, 32752709), (682, 29583092), (691, 29197784), (847, 23820152), (868, 23243858), (968, 20842633), (973, 20735528), (1112, 18143587), (1364, 14791546), (1382, 14598892), (1529, 13195336), (1694, 11910076), (1736, 11621929), (1946, 10367764), (2387, 8452312), (2728, 7395773), (2764, 7299446), (3058, 6597668), (3388, 5955038), (3751, 5378744), (3892, 5183882), (4309, 4682216), (4774, 4226156), (4837, 4171112), (5528, 3649723), (6116, 3298834), (6776, 2977519), (7502, 2689372), (7601, 2654344), (7784, 2591941), (8618, 2341108), (9548, 2113078), (9674, 2085556), (10703, 1885048), (12232, 1649417), (15004, 1344686), (15202, 1327172), (16819, 1199576), (17236, 1170554), (19096, 1056539), (19348, 1042778), (21406, 942524), (21421, 941864), (26257, 768392), (30008, 672343), (30163, 668888), (30404, 663586), (33638, 599788), (34472, 585277), (38696, 521389), (42812, 471262), (42842, 470932), (47399, 425656), (52514, 384196), (53207, 379192), (60326, 334444), (60808, 331793), (67276, 299894), (83611, 241304), (85624, 235631), (85684, 235466), (94798, 212828), (96049, 210056), (105028, 192098), (106414, 189596), (117733, 171368), (120652, 167222), (134552, 149947)]