20218397654

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{64927}}^1$

素因数の和:65037

約数の個数: 64

約数和(自身を含む): 39268454400

約数和(自身を除く): 19050056746

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 59, 91, 118, 182, 203, 377, 406, 413, 754, 767, 826, 1534, 1711, 2639, 3422, 5278, 5369, 10738, 11977, 22243, 23954, 44486, 64927, 129854, 155701, 311402, 454489, 844051, 908978, 1688102, 1882883, 3765766, 3830693, 5908357, 7661386, 11816714, 13180181, 24477479, 26360362, 26814851, 48954958, 49799009, 53629702, 99598018, 111090097, 171342353, 222180194, 342684706, 348593063, 697186126, 777630679, 1444171261, 1555261358, 2888342522, 10109198827, 20218397654]

約数ペア:

[(1, 20218397654), (2, 10109198827), (7, 2888342522), (13, 1555261358), (14, 1444171261), (26, 777630679), (29, 697186126), (58, 348593063), (59, 342684706), (91, 222180194), (118, 171342353), (182, 111090097), (203, 99598018), (377, 53629702), (406, 49799009), (413, 48954958), (754, 26814851), (767, 26360362), (826, 24477479), (1534, 13180181), (1711, 11816714), (2639, 7661386), (3422, 5908357), (5278, 3830693), (5369, 3765766), (10738, 1882883), (11977, 1688102), (22243, 908978), (23954, 844051), (44486, 454489), (64927, 311402), (129854, 155701)]