20147443204

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{70207}}^1$

素因数の和:70532

約数の個数: 48

約数和(自身を含む): 41533929472

約数和(自身を除く): 21386486268

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 277, 518, 554, 1036, 1108, 1939, 3878, 7756, 10249, 20498, 40996, 70207, 71743, 140414, 143486, 280828, 286972, 491449, 982898, 1965796, 2597659, 5195318, 10390636, 18183613, 19447339, 36367226, 38894678, 72734452, 77789356, 136131373, 272262746, 544525492, 719551543, 1439103086, 2878206172, 5036860801, 10073721602, 20147443204]

約数ペア:

[(1, 20147443204), (2, 10073721602), (4, 5036860801), (7, 2878206172), (14, 1439103086), (28, 719551543), (37, 544525492), (74, 272262746), (148, 136131373), (259, 77789356), (277, 72734452), (518, 38894678), (554, 36367226), (1036, 19447339), (1108, 18183613), (1939, 10390636), (3878, 5195318), (7756, 2597659), (10249, 1965796), (20498, 982898), (40996, 491449), (70207, 286972), (71743, 280828), (140414, 143486)]