20120592008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1\times {\mathrm{12689}}^1$

素因数の和:13230

約数の個数: 64

約数和(自身を含む): 42358204800

約数和(自身を除く): 22237612792

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 487, 814, 974, 1628, 1948, 3256, 3896, 5357, 10714, 12689, 18019, 21428, 25378, 36038, 42856, 50756, 72076, 101512, 139579, 144152, 198209, 279158, 396418, 469493, 558316, 792836, 938986, 1116632, 1585672, 1877972, 3755944, 5164423, 6179543, 10328846, 12359086, 20657692, 24718172, 41315384, 49436344, 67974973, 135949946, 228643091, 271899892, 457286182, 543799784, 914572364, 1829144728, 2515074001, 5030148002, 10060296004, 20120592008]

約数ペア:

[(1, 20120592008), (2, 10060296004), (4, 5030148002), (8, 2515074001), (11, 1829144728), (22, 914572364), (37, 543799784), (44, 457286182), (74, 271899892), (88, 228643091), (148, 135949946), (296, 67974973), (407, 49436344), (487, 41315384), (814, 24718172), (974, 20657692), (1628, 12359086), (1948, 10328846), (3256, 6179543), (3896, 5164423), (5357, 3755944), (10714, 1877972), (12689, 1585672), (18019, 1116632), (21428, 938986), (25378, 792836), (36038, 558316), (42856, 469493), (50756, 396418), (72076, 279158), (101512, 198209), (139579, 144152)]