20405967360

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2657027}}^1$

素因数の和:2657053

約数の個数: 80

約数和(自身を含む): 65235351456

約数和(自身を除く): 44829384096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 2657027, 5314054, 7971081, 10628108, 13285135, 15942162, 21256216, 26570270, 31884324, 39855405, 42512432, 53140540, 63768648, 79710810, 85024864, 106281080, 127537296, 159421620, 170049728, 212562160, 255074592, 318843240, 340099456, 425124320, 510149184, 637686480, 680198912, 850248640, 1020298368, 1275372960, 1360397824, 1700497280, 2040596736, 2550745920, 3400994560, 4081193472, 5101491840, 6801989120, 10202983680, 20405967360]

約数ペア:

[(1, 20405967360), (2, 10202983680), (3, 6801989120), (4, 5101491840), (5, 4081193472), (6, 3400994560), (8, 2550745920), (10, 2040596736), (12, 1700497280), (15, 1360397824), (16, 1275372960), (20, 1020298368), (24, 850248640), (30, 680198912), (32, 637686480), (40, 510149184), (48, 425124320), (60, 340099456), (64, 318843240), (80, 255074592), (96, 212562160), (120, 170049728), (128, 159421620), (160, 127537296), (192, 106281080), (240, 85024864), (256, 79710810), (320, 63768648), (384, 53140540), (480, 42512432), (512, 39855405), (640, 31884324), (768, 26570270), (960, 21256216), (1280, 15942162), (1536, 13285135), (1920, 10628108), (2560, 7971081), (3840, 5314054), (7680, 2657027)]