20121674432

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:770

約数の個数: 112

約数和(自身を含む): 41849283840

約数和(自身を除く): 21727609408

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 137, 181, 248, 274, 362, 409, 496, 548, 724, 818, 992, 1096, 1448, 1636, 1984, 2192, 2896, 3272, 4247, 4384, 5611, 5792, 6544, 8494, 8768, 11222, 11584, 12679, 13088, 16988, 22444, 24797, 25358, 26176, 33976, 44888, 49594, 50716, 56033, 67952, 74029, 89776, 99188, 101432, 112066, 135904, 148058, 179552, 198376, 202864, 224132, 271808, 296116, 359104, 396752, 405728, 448264, 592232, 768707, 793504, 811456, 896528, 1184464, 1537414, 1587008, 1737023, 1793056, 2294899, 2368928, 3074828, 3474046, 3586112, 4589798, 4737856, 6149656, 6948092, 9179596, 10141973, 12299312, 13896184, 18359192, 20283946, 24598624, 27792368, 36718384, 40567892, 49197248, 55584736, 73436768, 81135784, 111169472, 146873536, 162271568, 314401163, 324543136, 628802326, 649086272, 1257604652, 2515209304, 5030418608, 10060837216, 20121674432]

約数ペア:

[(1, 20121674432), (2, 10060837216), (4, 5030418608), (8, 2515209304), (16, 1257604652), (31, 649086272), (32, 628802326), (62, 324543136), (64, 314401163), (124, 162271568), (137, 146873536), (181, 111169472), (248, 81135784), (274, 73436768), (362, 55584736), (409, 49197248), (496, 40567892), (548, 36718384), (724, 27792368), (818, 24598624), (992, 20283946), (1096, 18359192), (1448, 13896184), (1636, 12299312), (1984, 10141973), (2192, 9179596), (2896, 6948092), (3272, 6149656), (4247, 4737856), (4384, 4589798), (5611, 3586112), (5792, 3474046), (6544, 3074828), (8494, 2368928), (8768, 2294899), (11222, 1793056), (11584, 1737023), (12679, 1587008), (13088, 1537414), (16988, 1184464), (22444, 896528), (24797, 811456), (25358, 793504), (26176, 768707), (33976, 592232), (44888, 448264), (49594, 405728), (50716, 396752), (56033, 359104), (67952, 296116), (74029, 271808), (89776, 224132), (99188, 202864), (101432, 198376), (112066, 179552), (135904, 148058)]