20597200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 56668248

約数和(自身を除く): 36071048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 170, 200, 208, 221, 233, 260, 272, 325, 340, 400, 425, 442, 466, 520, 650, 680, 850, 884, 932, 1040, 1105, 1165, 1300, 1360, 1700, 1768, 1864, 2210, 2330, 2600, 3029, 3400, 3536, 3728, 3961, 4420, 4660, 5200, 5525, 5825, 6058, 6800, 7922, 8840, 9320, 11050, 11650, 12116, 15145, 15844, 17680, 18640, 19805, 22100, 23300, 24232, 30290, 31688, 39610, 44200, 46600, 48464, 51493, 60580, 63376, 75725, 79220, 88400, 93200, 99025, 102986, 121160, 151450, 158440, 198050, 205972, 242320, 257465, 302900, 316880, 396100, 411944, 514930, 605800, 792200, 823888, 1029860, 1211600, 1287325, 1584400, 2059720, 2574650, 4119440, 5149300, 10298600, 20597200]

約数ペア:

[(1, 20597200), (2, 10298600), (4, 5149300), (5, 4119440), (8, 2574650), (10, 2059720), (13, 1584400), (16, 1287325), (17, 1211600), (20, 1029860), (25, 823888), (26, 792200), (34, 605800), (40, 514930), (50, 411944), (52, 396100), (65, 316880), (68, 302900), (80, 257465), (85, 242320), (100, 205972), (104, 198050), (130, 158440), (136, 151450), (170, 121160), (200, 102986), (208, 99025), (221, 93200), (233, 88400), (260, 79220), (272, 75725), (325, 63376), (340, 60580), (400, 51493), (425, 48464), (442, 46600), (466, 44200), (520, 39610), (650, 31688), (680, 30290), (850, 24232), (884, 23300), (932, 22100), (1040, 19805), (1105, 18640), (1165, 17680), (1300, 15844), (1360, 15145), (1700, 12116), (1768, 11650), (1864, 11050), (2210, 9320), (2330, 8840), (2600, 7922), (3029, 6800), (3400, 6058), (3536, 5825), (3728, 5525), (3961, 5200), (4420, 4660)]