20645742

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13931}}^1$

素因数の和:13968

約数の個数: 32

約数和(自身を含む): 46811520

約数和(自身を除く): 26165778

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 13931, 27862, 41793, 83586, 181103, 264689, 362206, 529378, 543309, 794067, 1086618, 1588134, 3440957, 6881914, 10322871, 20645742]

約数ペア:

[(1, 20645742), (2, 10322871), (3, 6881914), (6, 3440957), (13, 1588134), (19, 1086618), (26, 794067), (38, 543309), (39, 529378), (57, 362206), (78, 264689), (114, 181103), (247, 83586), (494, 41793), (741, 27862), (1482, 13931)]