20758218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6491}}^1$

素因数の和:6550

約数の個数: 32

約数和(自身を含む): 45807552

約数和(自身を除く): 25049334

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 6491, 12982, 19473, 38946, 84383, 168766, 253149, 266131, 506298, 532262, 798393, 1596786, 3459703, 6919406, 10379109, 20758218]

約数ペア:

[(1, 20758218), (2, 10379109), (3, 6919406), (6, 3459703), (13, 1596786), (26, 798393), (39, 532262), (41, 506298), (78, 266131), (82, 253149), (123, 168766), (246, 84383), (533, 38946), (1066, 19473), (1599, 12982), (3198, 6491)]