20942730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4951}}^1$

素因数の和:5011

約数の個数: 48

約数和(自身を含む): 55620864

約数和(自身を除く): 34678134

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 4951, 9902, 14853, 24755, 29706, 44559, 49510, 74265, 89118, 148530, 222795, 232697, 445590, 465394, 698091, 1163485, 1396182, 2094273, 2326970, 3490455, 4188546, 6980910, 10471365, 20942730]

約数ペア:

[(1, 20942730), (2, 10471365), (3, 6980910), (5, 4188546), (6, 3490455), (9, 2326970), (10, 2094273), (15, 1396182), (18, 1163485), (30, 698091), (45, 465394), (47, 445590), (90, 232697), (94, 222795), (141, 148530), (235, 89118), (282, 74265), (423, 49510), (470, 44559), (705, 29706), (846, 24755), (1410, 14853), (2115, 9902), (4230, 4951)]