20145264825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{10487}}^1\times {\mathrm{3659}}^1$

素因数の和:14166

約数の個数: 48

約数和(自身を含む): 38078991360

約数和(自身を除く): 17933726535

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 3659, 10487, 10977, 18295, 25613, 31461, 52435, 54885, 73409, 76839, 91475, 128065, 157305, 220227, 262175, 274425, 367045, 384195, 640325, 786525, 1101135, 1835225, 1920975, 5505675, 38371933, 115115799, 191859665, 268603531, 575578995, 805810593, 959298325, 1343017655, 2877894975, 4029052965, 6715088275, 20145264825]

約数ペア:

[(1, 20145264825), (3, 6715088275), (5, 4029052965), (7, 2877894975), (15, 1343017655), (21, 959298325), (25, 805810593), (35, 575578995), (75, 268603531), (105, 191859665), (175, 115115799), (525, 38371933), (3659, 5505675), (10487, 1920975), (10977, 1835225), (18295, 1101135), (25613, 786525), (31461, 640325), (52435, 384195), (54885, 367045), (73409, 274425), (76839, 262175), (91475, 220227), (128065, 157305)]