20419734

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 41977440

約数和(自身を除く): 21557706

約数列:

[1, 2, 3, 6, 53, 106, 157, 159, 314, 318, 409, 471, 818, 942, 1227, 2454, 8321, 16642, 21677, 24963, 43354, 49926, 64213, 65031, 128426, 130062, 192639, 385278, 3403289, 6806578, 10209867, 20419734]

約数ペア:

[(1, 20419734), (2, 10209867), (3, 6806578), (6, 3403289), (53, 385278), (106, 192639), (157, 130062), (159, 128426), (314, 65031), (318, 64213), (409, 49926), (471, 43354), (818, 24963), (942, 21677), (1227, 16642), (2454, 8321)]