20941050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10739}}^1$

素因数の和:10767

約数の個数: 48

約数和(自身を含む): 55933920

約数和(自身を除く): 34992870

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10739, 21478, 32217, 53695, 64434, 107390, 139607, 161085, 268475, 279214, 322170, 418821, 536950, 698035, 805425, 837642, 1396070, 1610850, 2094105, 3490175, 4188210, 6980350, 10470525, 20941050]

約数ペア:

[(1, 20941050), (2, 10470525), (3, 6980350), (5, 4188210), (6, 3490175), (10, 2094105), (13, 1610850), (15, 1396070), (25, 837642), (26, 805425), (30, 698035), (39, 536950), (50, 418821), (65, 322170), (75, 279214), (78, 268475), (130, 161085), (150, 139607), (195, 107390), (325, 64434), (390, 53695), (650, 32217), (975, 21478), (1950, 10739)]