20177878

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 36936000

約数和(自身を除く): 16758122

約数列:

[1, 2, 7, 14, 17, 34, 119, 149, 238, 298, 569, 1043, 1138, 2086, 2533, 3983, 5066, 7966, 9673, 17731, 19346, 35462, 67711, 84781, 135422, 169562, 593467, 1186934, 1441277, 2882554, 10088939, 20177878]

約数ペア:

[(1, 20177878), (2, 10088939), (7, 2882554), (14, 1441277), (17, 1186934), (34, 593467), (119, 169562), (149, 135422), (238, 84781), (298, 67711), (569, 35462), (1043, 19346), (1138, 17731), (2086, 9673), (2533, 7966), (3983, 5066)]