20400975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{12953}}^1$

素因数の和:12976

約数の個数: 36

約数和(自身を含む): 41763696

約数和(自身を除く): 21362721

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 12953, 38859, 64765, 90671, 116577, 194295, 272013, 323825, 453355, 582885, 816039, 971475, 1360065, 2266775, 2914425, 4080195, 6800325, 20400975]

約数ペア:

[(1, 20400975), (3, 6800325), (5, 4080195), (7, 2914425), (9, 2266775), (15, 1360065), (21, 971475), (25, 816039), (35, 582885), (45, 453355), (63, 323825), (75, 272013), (105, 194295), (175, 116577), (225, 90671), (315, 64765), (525, 38859), (1575, 12953)]