20845308

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2357}}^1$

素因数の和:2442

約数の個数: 48

約数和(自身を含む): 53875584

約数和(自身を除く): 33030276

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 67, 132, 134, 201, 268, 402, 737, 804, 1474, 2211, 2357, 2948, 4422, 4714, 7071, 8844, 9428, 14142, 25927, 28284, 51854, 77781, 103708, 155562, 157919, 311124, 315838, 473757, 631676, 947514, 1737109, 1895028, 3474218, 5211327, 6948436, 10422654, 20845308]

約数ペア:

[(1, 20845308), (2, 10422654), (3, 6948436), (4, 5211327), (6, 3474218), (11, 1895028), (12, 1737109), (22, 947514), (33, 631676), (44, 473757), (66, 315838), (67, 311124), (132, 157919), (134, 155562), (201, 103708), (268, 77781), (402, 51854), (737, 28284), (804, 25927), (1474, 14142), (2211, 9428), (2357, 8844), (2948, 7071), (4422, 4714)]