20197430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5923}}^1$

素因数の和:5972

約数の個数: 32

約数和(自身を含む): 40946688

約数和(自身を除く): 20749258

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 5923, 11846, 29615, 59230, 65153, 130306, 183613, 325765, 367226, 651530, 918065, 1836130, 2019743, 4039486, 10098715, 20197430]

約数ペア:

[(1, 20197430), (2, 10098715), (5, 4039486), (10, 2019743), (11, 1836130), (22, 918065), (31, 651530), (55, 367226), (62, 325765), (110, 183613), (155, 130306), (310, 65153), (341, 59230), (682, 29615), (1705, 11846), (3410, 5923)]