20922564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 32420796

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1846, 1889, 2769, 3692, 3778, 5538, 5667, 7556, 11076, 11334, 22668, 24557, 49114, 73671, 98228, 134119, 147342, 268238, 294684, 402357, 536476, 804714, 1609428, 1743547, 3487094, 5230641, 6974188, 10461282, 20922564]

約数ペア:

[(1, 20922564), (2, 10461282), (3, 6974188), (4, 5230641), (6, 3487094), (12, 1743547), (13, 1609428), (26, 804714), (39, 536476), (52, 402357), (71, 294684), (78, 268238), (142, 147342), (156, 134119), (213, 98228), (284, 73671), (426, 49114), (852, 24557), (923, 22668), (1846, 11334), (1889, 11076), (2769, 7556), (3692, 5667), (3778, 5538)]