20930440160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2669699}}^1$

素因数の和:2669728

約数の個数: 72

約数和(自身を含む): 57521356200

約数和(自身を除く): 36590916040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 2669699, 5339398, 10678796, 13348495, 18687893, 21357592, 26696990, 37375786, 42715184, 53393980, 74751572, 85430368, 93439465, 106787960, 130815251, 149503144, 186878930, 213575920, 261630502, 299006288, 373757860, 427151840, 523261004, 598012576, 654076255, 747515720, 1046522008, 1308152510, 1495031440, 2093044016, 2616305020, 2990062880, 4186088032, 5232610040, 10465220080, 20930440160]

約数ペア:

[(1, 20930440160), (2, 10465220080), (4, 5232610040), (5, 4186088032), (7, 2990062880), (8, 2616305020), (10, 2093044016), (14, 1495031440), (16, 1308152510), (20, 1046522008), (28, 747515720), (32, 654076255), (35, 598012576), (40, 523261004), (49, 427151840), (56, 373757860), (70, 299006288), (80, 261630502), (98, 213575920), (112, 186878930), (140, 149503144), (160, 130815251), (196, 106787960), (224, 93439465), (245, 85430368), (280, 74751572), (392, 53393980), (490, 42715184), (560, 37375786), (784, 26696990), (980, 21357592), (1120, 18687893), (1568, 13348495), (1960, 10678796), (3920, 5339398), (7840, 2669699)]