20786532

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7013}}^1$

素因数の和:7052

約数の個数: 48

約数和(自身を含む): 54989760

約数和(自身を除く): 34203228

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 7013, 14026, 21039, 28052, 42078, 84156, 91169, 133247, 182338, 266494, 273507, 364676, 399741, 532988, 547014, 799482, 1094028, 1598964, 1732211, 3464422, 5196633, 6928844, 10393266, 20786532]

約数ペア:

[(1, 20786532), (2, 10393266), (3, 6928844), (4, 5196633), (6, 3464422), (12, 1732211), (13, 1598964), (19, 1094028), (26, 799482), (38, 547014), (39, 532988), (52, 399741), (57, 364676), (76, 273507), (78, 266494), (114, 182338), (156, 133247), (228, 91169), (247, 84156), (494, 42078), (741, 28052), (988, 21039), (1482, 14026), (2964, 7013)]