1620409828

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{659}}^1\times {\mathrm{6907}}^1$

素因数の和:7659

約数の個数: 24

約数和(自身を含む): 2872346400

約数和(自身を除く): 1251936572

約数列:

[1, 2, 4, 89, 178, 356, 659, 1318, 2636, 6907, 13814, 27628, 58651, 117302, 234604, 614723, 1229446, 2458892, 4551713, 9103426, 18206852, 405102457, 810204914, 1620409828]

約数ペア:

[(1, 1620409828), (2, 810204914), (4, 405102457), (89, 18206852), (178, 9103426), (356, 4551713), (659, 2458892), (1318, 1229446), (2636, 614723), (6907, 234604), (13814, 117302), (27628, 58651)]