20334860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11173}}^1$

素因数の和:11202

約数の個数: 48

約数和(自身を含む): 52562496

約数和(自身を除く): 32227636

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 11173, 22346, 44692, 55865, 78211, 111730, 145249, 156422, 223460, 290498, 312844, 391055, 580996, 726245, 782110, 1016743, 1452490, 1564220, 2033486, 2904980, 4066972, 5083715, 10167430, 20334860]

約数ペア:

[(1, 20334860), (2, 10167430), (4, 5083715), (5, 4066972), (7, 2904980), (10, 2033486), (13, 1564220), (14, 1452490), (20, 1016743), (26, 782110), (28, 726245), (35, 580996), (52, 391055), (65, 312844), (70, 290498), (91, 223460), (130, 156422), (140, 145249), (182, 111730), (260, 78211), (364, 55865), (455, 44692), (910, 22346), (1820, 11173)]