20745887568

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{4547}}^1$

素因数の和:4969

約数の個数: 160

約数和(自身を含む): 63090438144

約数和(自身を除く): 42344550576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 367, 444, 518, 592, 734, 777, 888, 1036, 1101, 1468, 1554, 1776, 2072, 2202, 2569, 2936, 3108, 4144, 4404, 4547, 5138, 5872, 6216, 7707, 8808, 9094, 10276, 12432, 13579, 13641, 15414, 17616, 18188, 20552, 27158, 27282, 30828, 31829, 36376, 40737, 41104, 54316, 54564, 61656, 63658, 72752, 81474, 95053, 95487, 108632, 109128, 123312, 127316, 162948, 168239, 190106, 190974, 217264, 218256, 254632, 285159, 325896, 336478, 380212, 381948, 504717, 509264, 570318, 651792, 672956, 760424, 763896, 1009434, 1140636, 1177673, 1345912, 1520848, 1527792, 1668749, 2018868, 2281272, 2355346, 2691824, 3337498, 3533019, 4037736, 4562544, 4710692, 5006247, 6674996, 7066038, 8075472, 9421384, 10012494, 11681243, 13349992, 14132076, 18842768, 20024988, 23362486, 26699984, 28264152, 35043729, 40049976, 46724972, 56528304, 61743713, 70087458, 80099952, 93449944, 123487426, 140174916, 185231139, 186899888, 246974852, 280349832, 370462278, 432205991, 493949704, 560699664, 740924556, 864411982, 987899408, 1296617973, 1481849112, 1728823964, 2593235946, 2963698224, 3457647928, 5186471892, 6915295856, 10372943784, 20745887568]

約数ペア:

[(1, 20745887568), (2, 10372943784), (3, 6915295856), (4, 5186471892), (6, 3457647928), (7, 2963698224), (8, 2593235946), (12, 1728823964), (14, 1481849112), (16, 1296617973), (21, 987899408), (24, 864411982), (28, 740924556), (37, 560699664), (42, 493949704), (48, 432205991), (56, 370462278), (74, 280349832), (84, 246974852), (111, 186899888), (112, 185231139), (148, 140174916), (168, 123487426), (222, 93449944), (259, 80099952), (296, 70087458), (336, 61743713), (367, 56528304), (444, 46724972), (518, 40049976), (592, 35043729), (734, 28264152), (777, 26699984), (888, 23362486), (1036, 20024988), (1101, 18842768), (1468, 14132076), (1554, 13349992), (1776, 11681243), (2072, 10012494), (2202, 9421384), (2569, 8075472), (2936, 7066038), (3108, 6674996), (4144, 5006247), (4404, 4710692), (4547, 4562544), (5138, 4037736), (5872, 3533019), (6216, 3337498), (7707, 2691824), (8808, 2355346), (9094, 2281272), (10276, 2018868), (12432, 1668749), (13579, 1527792), (13641, 1520848), (15414, 1345912), (17616, 1177673), (18188, 1140636), (20552, 1009434), (27158, 763896), (27282, 760424), (30828, 672956), (31829, 651792), (36376, 570318), (40737, 509264), (41104, 504717), (54316, 381948), (54564, 380212), (61656, 336478), (63658, 325896), (72752, 285159), (81474, 254632), (95053, 218256), (95487, 217264), (108632, 190974), (109128, 190106), (123312, 168239), (127316, 162948)]