20293910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:825

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 26275690

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 290, 377, 406, 455, 754, 769, 910, 1015, 1538, 1885, 2030, 2639, 3770, 3845, 5278, 5383, 7690, 9997, 10766, 13195, 19994, 22301, 26390, 26915, 44602, 49985, 53830, 69979, 99970, 111505, 139958, 156107, 223010, 289913, 312214, 349895, 579826, 699790, 780535, 1449565, 1561070, 2029391, 2899130, 4058782, 10146955, 20293910]

約数ペア:

[(1, 20293910), (2, 10146955), (5, 4058782), (7, 2899130), (10, 2029391), (13, 1561070), (14, 1449565), (26, 780535), (29, 699790), (35, 579826), (58, 349895), (65, 312214), (70, 289913), (91, 223010), (130, 156107), (145, 139958), (182, 111505), (203, 99970), (290, 69979), (377, 53830), (406, 49985), (455, 44602), (754, 26915), (769, 26390), (910, 22301), (1015, 19994), (1538, 13195), (1885, 10766), (2030, 9997), (2639, 7690), (3770, 5383), (3845, 5278)]