20164465616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1\times {\mathrm{1213}}^1$

素因数の和:1756

約数の個数: 80

約数和(自身を含む): 41547936000

約数和(自身を除く): 21383470384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 149, 152, 298, 304, 367, 596, 734, 1192, 1213, 1468, 2384, 2426, 2831, 2936, 4852, 5662, 5872, 6973, 9704, 11324, 13946, 19408, 22648, 23047, 27892, 45296, 46094, 54683, 55784, 92188, 109366, 111568, 180737, 184376, 218732, 361474, 368752, 437464, 445171, 722948, 874928, 890342, 1038977, 1445896, 1780684, 2077954, 2891792, 3434003, 3561368, 4155908, 6868006, 7122736, 8311816, 8458249, 13736012, 16623632, 16916498, 27472024, 33832996, 54944048, 66330479, 67665992, 132660958, 135331984, 265321916, 530643832, 1061287664, 1260279101, 2520558202, 5041116404, 10082232808, 20164465616]

約数ペア:

[(1, 20164465616), (2, 10082232808), (4, 5041116404), (8, 2520558202), (16, 1260279101), (19, 1061287664), (38, 530643832), (76, 265321916), (149, 135331984), (152, 132660958), (298, 67665992), (304, 66330479), (367, 54944048), (596, 33832996), (734, 27472024), (1192, 16916498), (1213, 16623632), (1468, 13736012), (2384, 8458249), (2426, 8311816), (2831, 7122736), (2936, 6868006), (4852, 4155908), (5662, 3561368), (5872, 3434003), (6973, 2891792), (9704, 2077954), (11324, 1780684), (13946, 1445896), (19408, 1038977), (22648, 890342), (23047, 874928), (27892, 722948), (45296, 445171), (46094, 437464), (54683, 368752), (55784, 361474), (92188, 218732), (109366, 184376), (111568, 180737)]