20756320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:632

約数の個数: 96

約数和(自身を含む): 56010528

約数和(自身を除く): 35254208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 587, 680, 884, 1040, 1105, 1174, 1360, 1768, 2080, 2210, 2348, 2720, 2935, 3536, 4420, 4696, 5870, 7072, 7631, 8840, 9392, 9979, 11740, 15262, 17680, 18784, 19958, 23480, 30524, 35360, 38155, 39916, 46960, 49895, 61048, 76310, 79832, 93920, 99790, 122096, 129727, 152620, 159664, 199580, 244192, 259454, 305240, 319328, 399160, 518908, 610480, 648635, 798320, 1037816, 1220960, 1297270, 1596640, 2075632, 2594540, 4151264, 5189080, 10378160, 20756320]

約数ペア:

[(1, 20756320), (2, 10378160), (4, 5189080), (5, 4151264), (8, 2594540), (10, 2075632), (13, 1596640), (16, 1297270), (17, 1220960), (20, 1037816), (26, 798320), (32, 648635), (34, 610480), (40, 518908), (52, 399160), (65, 319328), (68, 305240), (80, 259454), (85, 244192), (104, 199580), (130, 159664), (136, 152620), (160, 129727), (170, 122096), (208, 99790), (221, 93920), (260, 79832), (272, 76310), (340, 61048), (416, 49895), (442, 46960), (520, 39916), (544, 38155), (587, 35360), (680, 30524), (884, 23480), (1040, 19958), (1105, 18784), (1174, 17680), (1360, 15262), (1768, 11740), (2080, 9979), (2210, 9392), (2348, 8840), (2720, 7631), (2935, 7072), (3536, 5870), (4420, 4696)]