20138757960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{619273}}^1$

素因数の和:619558

約数の個数: 64

約数和(自身を含む): 60639310080

約数和(自身を除く): 40500552120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 813, 1084, 1355, 1626, 2168, 2710, 3252, 4065, 5420, 6504, 8130, 10840, 16260, 32520, 619273, 1238546, 1857819, 2477092, 3096365, 3715638, 4954184, 6192730, 7431276, 9289095, 12385460, 14862552, 18578190, 24770920, 37156380, 74312760, 167822983, 335645966, 503468949, 671291932, 839114915, 1006937898, 1342583864, 1678229830, 2013875796, 2517344745, 3356459660, 4027751592, 5034689490, 6712919320, 10069378980, 20138757960]

約数ペア:

[(1, 20138757960), (2, 10069378980), (3, 6712919320), (4, 5034689490), (5, 4027751592), (6, 3356459660), (8, 2517344745), (10, 2013875796), (12, 1678229830), (15, 1342583864), (20, 1006937898), (24, 839114915), (30, 671291932), (40, 503468949), (60, 335645966), (120, 167822983), (271, 74312760), (542, 37156380), (813, 24770920), (1084, 18578190), (1355, 14862552), (1626, 12385460), (2168, 9289095), (2710, 7431276), (3252, 6192730), (4065, 4954184), (5420, 3715638), (6504, 3096365), (8130, 2477092), (10840, 1857819), (16260, 1238546), (32520, 619273)]