20125915576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{677}}^1\times {\mathrm{1451}}^1$

素因数の和:2344

約数の個数: 64

約数和(自身を含む): 40933680480

約数和(自身を除く): 20807764904

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 677, 788, 1354, 1451, 1576, 2561, 2708, 2902, 5122, 5416, 5804, 8801, 10244, 11608, 17602, 18863, 20488, 35204, 37726, 70408, 75452, 133369, 150904, 266738, 285847, 533476, 571694, 982327, 1066952, 1143388, 1733797, 1964654, 2286776, 3467594, 3716011, 3929308, 6935188, 7432022, 7858616, 12770251, 13870376, 14864044, 25540502, 29728088, 51081004, 102162008, 193518419, 387036838, 774073676, 1548147352, 2515739447, 5031478894, 10062957788, 20125915576]

約数ペア:

[(1, 20125915576), (2, 10062957788), (4, 5031478894), (8, 2515739447), (13, 1548147352), (26, 774073676), (52, 387036838), (104, 193518419), (197, 102162008), (394, 51081004), (677, 29728088), (788, 25540502), (1354, 14864044), (1451, 13870376), (1576, 12770251), (2561, 7858616), (2708, 7432022), (2902, 6935188), (5122, 3929308), (5416, 3716011), (5804, 3467594), (8801, 2286776), (10244, 1964654), (11608, 1733797), (17602, 1143388), (18863, 1066952), (20488, 982327), (35204, 571694), (37726, 533476), (70408, 285847), (75452, 266738), (133369, 150904)]