20215020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48131}}^1$

素因数の和:48150

約数の個数: 48

約数和(自身を含む): 64689408

約数和(自身を除く): 44474388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48131, 96262, 144393, 192524, 240655, 288786, 336917, 481310, 577572, 673834, 721965, 962620, 1010751, 1347668, 1443930, 1684585, 2021502, 2887860, 3369170, 4043004, 5053755, 6738340, 10107510, 20215020]

約数ペア:

[(1, 20215020), (2, 10107510), (3, 6738340), (4, 5053755), (5, 4043004), (6, 3369170), (7, 2887860), (10, 2021502), (12, 1684585), (14, 1443930), (15, 1347668), (20, 1010751), (21, 962620), (28, 721965), (30, 673834), (35, 577572), (42, 481310), (60, 336917), (70, 288786), (84, 240655), (105, 192524), (140, 144393), (210, 96262), (420, 48131)]