20740803028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{35291}}^1$

素因数の和:35381

約数の個数: 72

約数和(自身を含む): 42920436384

約数和(自身を除く): 22179633356

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 361, 407, 418, 703, 722, 814, 836, 1406, 1444, 1628, 2812, 3971, 7733, 7942, 13357, 15466, 15884, 26714, 30932, 35291, 53428, 70582, 141164, 146927, 293854, 388201, 587708, 670529, 776402, 1305767, 1341058, 1552804, 2611534, 2682116, 5223068, 7375819, 12740051, 14363437, 14751638, 24809573, 25480102, 28726874, 29503276, 49619146, 50960204, 57453748, 99238292, 140140561, 272905303, 280281122, 471381887, 545810606, 560562244, 942763774, 1091621212, 1885527548, 5185200757, 10370401514, 20740803028]

約数ペア:

[(1, 20740803028), (2, 10370401514), (4, 5185200757), (11, 1885527548), (19, 1091621212), (22, 942763774), (37, 560562244), (38, 545810606), (44, 471381887), (74, 280281122), (76, 272905303), (148, 140140561), (209, 99238292), (361, 57453748), (407, 50960204), (418, 49619146), (703, 29503276), (722, 28726874), (814, 25480102), (836, 24809573), (1406, 14751638), (1444, 14363437), (1628, 12740051), (2812, 7375819), (3971, 5223068), (7733, 2682116), (7942, 2611534), (13357, 1552804), (15466, 1341058), (15884, 1305767), (26714, 776402), (30932, 670529), (35291, 587708), (53428, 388201), (70582, 293854), (141164, 146927)]