20972904

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18593}}^1$

素因数の和:18649

約数の個数: 32

約数和(自身を含む): 53550720

約数和(自身を除く): 32577816

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18593, 37186, 55779, 74372, 111558, 148744, 223116, 446232, 873871, 1747742, 2621613, 3495484, 5243226, 6990968, 10486452, 20972904]

約数ペア:

[(1, 20972904), (2, 10486452), (3, 6990968), (4, 5243226), (6, 3495484), (8, 2621613), (12, 1747742), (24, 873871), (47, 446232), (94, 223116), (141, 148744), (188, 111558), (282, 74372), (376, 55779), (564, 37186), (1128, 18593)]