20188454940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{143977}}^1$

素因数の和:144052

約数の個数: 144

約数和(自身を含む): 66034069920

約数和(自身を除く): 45845614980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 228, 246, 285, 342, 369, 380, 410, 492, 570, 615, 684, 738, 779, 820, 855, 1140, 1230, 1476, 1558, 1710, 1845, 2337, 2460, 3116, 3420, 3690, 3895, 4674, 7011, 7380, 7790, 9348, 11685, 14022, 15580, 23370, 28044, 35055, 46740, 70110, 140220, 143977, 287954, 431931, 575908, 719885, 863862, 1295793, 1439770, 1727724, 2159655, 2591586, 2735563, 2879540, 4319310, 5183172, 5471126, 5903057, 6478965, 8206689, 8638620, 10942252, 11806114, 12957930, 13677815, 16413378, 17709171, 23612228, 24620067, 25915860, 27355630, 29515285, 32826756, 35418342, 41033445, 49240134, 53127513, 54711260, 59030570, 70836684, 82066890, 88545855, 98480268, 106255026, 112158083, 118061140, 123100335, 164133780, 177091710, 212510052, 224316166, 246200670, 265637565, 336474249, 354183420, 448632332, 492401340, 531275130, 560790415, 672948498, 1009422747, 1062550260, 1121580830, 1345896996, 1682371245, 2018845494, 2243161660, 3364742490, 4037690988, 5047113735, 6729484980, 10094227470, 20188454940]

約数ペア:

[(1, 20188454940), (2, 10094227470), (3, 6729484980), (4, 5047113735), (5, 4037690988), (6, 3364742490), (9, 2243161660), (10, 2018845494), (12, 1682371245), (15, 1345896996), (18, 1121580830), (19, 1062550260), (20, 1009422747), (30, 672948498), (36, 560790415), (38, 531275130), (41, 492401340), (45, 448632332), (57, 354183420), (60, 336474249), (76, 265637565), (82, 246200670), (90, 224316166), (95, 212510052), (114, 177091710), (123, 164133780), (164, 123100335), (171, 118061140), (180, 112158083), (190, 106255026), (205, 98480268), (228, 88545855), (246, 82066890), (285, 70836684), (342, 59030570), (369, 54711260), (380, 53127513), (410, 49240134), (492, 41033445), (570, 35418342), (615, 32826756), (684, 29515285), (738, 27355630), (779, 25915860), (820, 24620067), (855, 23612228), (1140, 17709171), (1230, 16413378), (1476, 13677815), (1558, 12957930), (1710, 11806114), (1845, 10942252), (2337, 8638620), (2460, 8206689), (3116, 6478965), (3420, 5903057), (3690, 5471126), (3895, 5183172), (4674, 4319310), (7011, 2879540), (7380, 2735563), (7790, 2591586), (9348, 2159655), (11685, 1727724), (14022, 1439770), (15580, 1295793), (23370, 863862), (28044, 719885), (35055, 575908), (46740, 431931), (70110, 287954), (140220, 143977)]