20193289072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{9851}}^1$

素因数の和:10502

約数の個数: 80

約数和(自身を含む): 45005512320

約数和(自身を除く): 24812223248

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 613, 836, 1226, 1672, 2452, 3344, 4904, 6743, 9808, 9851, 11647, 13486, 19702, 23294, 26972, 39404, 46588, 53944, 78808, 93176, 107888, 108361, 128117, 157616, 186352, 187169, 216722, 256234, 374338, 433444, 512468, 748676, 866888, 1024936, 1497352, 1733776, 2049872, 2058859, 2994704, 4117718, 6038663, 8235436, 12077326, 16470872, 24154652, 32941744, 48309304, 66425293, 96618608, 114734597, 132850586, 229469194, 265701172, 458938388, 531402344, 917876776, 1062804688, 1262080567, 1835753552, 2524161134, 5048322268, 10096644536, 20193289072]

約数ペア:

[(1, 20193289072), (2, 10096644536), (4, 5048322268), (8, 2524161134), (11, 1835753552), (16, 1262080567), (19, 1062804688), (22, 917876776), (38, 531402344), (44, 458938388), (76, 265701172), (88, 229469194), (152, 132850586), (176, 114734597), (209, 96618608), (304, 66425293), (418, 48309304), (613, 32941744), (836, 24154652), (1226, 16470872), (1672, 12077326), (2452, 8235436), (3344, 6038663), (4904, 4117718), (6743, 2994704), (9808, 2058859), (9851, 2049872), (11647, 1733776), (13486, 1497352), (19702, 1024936), (23294, 866888), (26972, 748676), (39404, 512468), (46588, 433444), (53944, 374338), (78808, 256234), (93176, 216722), (107888, 187169), (108361, 186352), (128117, 157616)]