20023514

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 35856000

約数和(自身を除く): 15832486

約数列:

[1, 2, 7, 14, 29, 58, 149, 203, 298, 331, 406, 662, 1043, 2086, 2317, 4321, 4634, 8642, 9599, 19198, 30247, 49319, 60494, 67193, 98638, 134386, 345233, 690466, 1430251, 2860502, 10011757, 20023514]

約数ペア:

[(1, 20023514), (2, 10011757), (7, 2860502), (14, 1430251), (29, 690466), (58, 345233), (149, 134386), (203, 98638), (298, 67193), (331, 60494), (406, 49319), (662, 30247), (1043, 19198), (2086, 9599), (2317, 8642), (4321, 4634)]