20568312

素因数分解:

$2^3\times 3^2\times {\mathrm{463}}^1\times {\mathrm{617}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 55916640

約数和(自身を除く): 35348328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 463, 617, 926, 1234, 1389, 1851, 1852, 2468, 2778, 3702, 3704, 4167, 4936, 5553, 5556, 7404, 8334, 11106, 11112, 14808, 16668, 22212, 33336, 44424, 285671, 571342, 857013, 1142684, 1714026, 2285368, 2571039, 3428052, 5142078, 6856104, 10284156, 20568312]

約数ペア:

[(1, 20568312), (2, 10284156), (3, 6856104), (4, 5142078), (6, 3428052), (8, 2571039), (9, 2285368), (12, 1714026), (18, 1142684), (24, 857013), (36, 571342), (72, 285671), (463, 44424), (617, 33336), (926, 22212), (1234, 16668), (1389, 14808), (1851, 11112), (1852, 11106), (2468, 8334), (2778, 7404), (3702, 5556), (3704, 5553), (4167, 4936)]