16201720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13967}}^1$

素因数の和:14007

約数の個数: 32

約数和(自身を含む): 37713600

約数和(自身を除く): 21511880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 13967, 27934, 55868, 69835, 111736, 139670, 279340, 405043, 558680, 810086, 1620172, 2025215, 3240344, 4050430, 8100860, 16201720]

約数ペア:

[(1, 16201720), (2, 8100860), (4, 4050430), (5, 3240344), (8, 2025215), (10, 1620172), (20, 810086), (29, 558680), (40, 405043), (58, 279340), (116, 139670), (145, 111736), (232, 69835), (290, 55868), (580, 27934), (1160, 13967)]