20409617872

素因数分解:

$2^4\times 7^1\times {\mathrm{3011}}^1\times {\mathrm{60521}}^1$

素因数の和:63547

約数の個数: 40

約数和(自身を含む): 45208481472

約数和(自身を除く): 24798863600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 3011, 6022, 12044, 21077, 24088, 42154, 48176, 60521, 84308, 121042, 168616, 242084, 337232, 423647, 484168, 847294, 968336, 1694588, 3389176, 6778352, 182228731, 364457462, 728914924, 1275601117, 1457829848, 2551202234, 2915659696, 5102404468, 10204808936, 20409617872]

約数ペア:

[(1, 20409617872), (2, 10204808936), (4, 5102404468), (7, 2915659696), (8, 2551202234), (14, 1457829848), (16, 1275601117), (28, 728914924), (56, 364457462), (112, 182228731), (3011, 6778352), (6022, 3389176), (12044, 1694588), (21077, 968336), (24088, 847294), (42154, 484168), (48176, 423647), (60521, 337232), (84308, 242084), (121042, 168616)]