20199703225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{88411}}^1$

素因数の和:88490

約数の個数: 48

約数和(自身を含む): 29161814080

約数和(自身を除く): 8962110855

約数列:

[1, 5, 13, 19, 25, 37, 65, 95, 185, 247, 325, 475, 481, 703, 925, 1235, 2405, 3515, 6175, 9139, 12025, 17575, 45695, 88411, 228475, 442055, 1149343, 1679809, 2210275, 3271207, 5746715, 8399045, 16356035, 21837517, 28733575, 41995225, 42525691, 62152933, 81780175, 109187585, 212628455, 310764665, 545937925, 807988129, 1063142275, 1553823325, 4039940645, 20199703225]

約数ペア:

[(1, 20199703225), (5, 4039940645), (13, 1553823325), (19, 1063142275), (25, 807988129), (37, 545937925), (65, 310764665), (95, 212628455), (185, 109187585), (247, 81780175), (325, 62152933), (475, 42525691), (481, 41995225), (703, 28733575), (925, 21837517), (1235, 16356035), (2405, 8399045), (3515, 5746715), (6175, 3271207), (9139, 2210275), (12025, 1679809), (17575, 1149343), (45695, 442055), (88411, 228475)]