20842010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10267}}^1$

素因数の和:10310

約数の個数: 32

約数和(自身を含む): 44357760

約数和(自身を除く): 23515750

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10267, 20534, 51335, 71869, 102670, 143738, 297743, 359345, 595486, 718690, 1488715, 2084201, 2977430, 4168402, 10421005, 20842010]

約数ペア:

[(1, 20842010), (2, 10421005), (5, 4168402), (7, 2977430), (10, 2084201), (14, 1488715), (29, 718690), (35, 595486), (58, 359345), (70, 297743), (145, 143738), (203, 102670), (290, 71869), (406, 51335), (1015, 20534), (2030, 10267)]