20215695038

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{311807}}^1$

素因数の和:312248

約数の個数: 32

約数和(自身を含む): 37895897088

約数和(自身を除く): 17680202050

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 421, 842, 2947, 4631, 5894, 9262, 32417, 64834, 311807, 623614, 2182649, 3429877, 4365298, 6859754, 24009139, 48018278, 131270747, 262541494, 918895229, 1443978217, 1837790458, 2887956434, 10107847519, 20215695038]

約数ペア:

[(1, 20215695038), (2, 10107847519), (7, 2887956434), (11, 1837790458), (14, 1443978217), (22, 918895229), (77, 262541494), (154, 131270747), (421, 48018278), (842, 24009139), (2947, 6859754), (4631, 4365298), (5894, 3429877), (9262, 2182649), (32417, 623614), (64834, 311807)]