20008755

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{877}}^1$

素因数の和:917

約数の個数: 48

約数和(自身を含む): 38561760

約数和(自身を除く): 18553005

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 169, 195, 351, 507, 585, 845, 877, 1521, 1755, 2535, 2631, 4385, 4563, 7605, 7893, 11401, 13155, 22815, 23679, 34203, 39465, 57005, 102609, 118395, 148213, 171015, 307827, 444639, 513045, 741065, 1333917, 1539135, 2223195, 4001751, 6669585, 20008755]

約数ペア:

[(1, 20008755), (3, 6669585), (5, 4001751), (9, 2223195), (13, 1539135), (15, 1333917), (27, 741065), (39, 513045), (45, 444639), (65, 307827), (117, 171015), (135, 148213), (169, 118395), (195, 102609), (351, 57005), (507, 39465), (585, 34203), (845, 23679), (877, 22815), (1521, 13155), (1755, 11401), (2535, 7893), (2631, 7605), (4385, 4563)]