20197617861

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{74489}}^1$

素因数の和:74649

約数の個数: 32

約数和(自身を含む): 29176243200

約数和(自身を除く): 8978625339

約数列:

[1, 3, 19, 57, 67, 71, 201, 213, 1273, 1349, 3819, 4047, 4757, 14271, 74489, 90383, 223467, 271149, 1415291, 4245873, 4990763, 5288719, 14972289, 15866157, 94824497, 100485661, 284473491, 301456983, 354344173, 1063032519, 6732539287, 20197617861]

約数ペア:

[(1, 20197617861), (3, 6732539287), (19, 1063032519), (57, 354344173), (67, 301456983), (71, 284473491), (201, 100485661), (213, 94824497), (1273, 15866157), (1349, 14972289), (3819, 5288719), (4047, 4990763), (4757, 4245873), (14271, 1415291), (74489, 271149), (90383, 223467)]