20179027778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6521987}}^1$

素因数の和:6522026

約数の個数: 32

約数和(自身を含む): 39444983424

約数和(自身を除く): 19265955646

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 6521987, 13043974, 45653909, 84785831, 91307818, 110873779, 169571662, 221747558, 593500817, 776116453, 1187001634, 1441359127, 1552232906, 2882718254, 10089513889, 20179027778]

約数ペア:

[(1, 20179027778), (2, 10089513889), (7, 2882718254), (13, 1552232906), (14, 1441359127), (17, 1187001634), (26, 776116453), (34, 593500817), (91, 221747558), (119, 169571662), (182, 110873779), (221, 91307818), (238, 84785831), (442, 45653909), (1547, 13043974), (3094, 6521987)]