20290657042

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{123289}}^1$

素因数の和:123442

約数の個数: 32

約数和(自身を含む): 33021993600

約数和(自身を除く): 12731336558

約数列:

[1, 2, 19, 38, 61, 71, 122, 142, 1159, 1349, 2318, 2698, 4331, 8662, 82289, 123289, 164578, 246578, 2342491, 4684982, 7520629, 8753519, 15041258, 17507038, 142891951, 166316861, 285783902, 332633722, 533964659, 1067929318, 10145328521, 20290657042]

約数ペア:

[(1, 20290657042), (2, 10145328521), (19, 1067929318), (38, 533964659), (61, 332633722), (71, 285783902), (122, 166316861), (142, 142891951), (1159, 17507038), (1349, 15041258), (2318, 8753519), (2698, 7520629), (4331, 4684982), (8662, 2342491), (82289, 246578), (123289, 164578)]