2020707530

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 3824664480

約数和(自身を除く): 1803956950

約数列:

[1, 2, 5, 10, 29, 58, 137, 145, 181, 274, 281, 290, 362, 562, 685, 905, 1370, 1405, 1810, 2810, 3973, 5249, 7946, 8149, 10498, 16298, 19865, 24797, 26245, 38497, 39730, 40745, 49594, 50861, 52490, 76994, 81490, 101722, 123985, 192485, 247970, 254305, 384970, 508610, 719113, 1116413, 1438226, 1474969, 2232826, 2949938, 3595565, 5582065, 6967957, 7191130, 7374845, 11164130, 13935914, 14749690, 34839785, 69679570, 202070753, 404141506, 1010353765, 2020707530]

約数ペア:

[(1, 2020707530), (2, 1010353765), (5, 404141506), (10, 202070753), (29, 69679570), (58, 34839785), (137, 14749690), (145, 13935914), (181, 11164130), (274, 7374845), (281, 7191130), (290, 6967957), (362, 5582065), (562, 3595565), (685, 2949938), (905, 2232826), (1370, 1474969), (1405, 1438226), (1810, 1116413), (2810, 719113), (3973, 508610), (5249, 384970), (7946, 254305), (8149, 247970), (10498, 192485), (16298, 123985), (19865, 101722), (24797, 81490), (26245, 76994), (38497, 52490), (39730, 50861), (40745, 49594)]