20659764

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 54476800

約数和(自身を除く): 33817036

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 37, 38, 57, 62, 74, 76, 79, 93, 111, 114, 124, 148, 158, 186, 222, 228, 237, 316, 372, 444, 474, 589, 703, 948, 1147, 1178, 1406, 1501, 1767, 2109, 2294, 2356, 2449, 2812, 2923, 3002, 3441, 3534, 4218, 4503, 4588, 4898, 5846, 6004, 6882, 7068, 7347, 8436, 8769, 9006, 9796, 11692, 13764, 14694, 17538, 18012, 21793, 29388, 35076, 43586, 46531, 55537, 65379, 87172, 90613, 93062, 111074, 130758, 139593, 166611, 181226, 186124, 222148, 261516, 271839, 279186, 333222, 362452, 543678, 558372, 666444, 1087356, 1721647, 3443294, 5164941, 6886588, 10329882, 20659764]

約数ペア:

[(1, 20659764), (2, 10329882), (3, 6886588), (4, 5164941), (6, 3443294), (12, 1721647), (19, 1087356), (31, 666444), (37, 558372), (38, 543678), (57, 362452), (62, 333222), (74, 279186), (76, 271839), (79, 261516), (93, 222148), (111, 186124), (114, 181226), (124, 166611), (148, 139593), (158, 130758), (186, 111074), (222, 93062), (228, 90613), (237, 87172), (316, 65379), (372, 55537), (444, 46531), (474, 43586), (589, 35076), (703, 29388), (948, 21793), (1147, 18012), (1178, 17538), (1406, 14694), (1501, 13764), (1767, 11692), (2109, 9796), (2294, 9006), (2356, 8769), (2449, 8436), (2812, 7347), (2923, 7068), (3002, 6882), (3441, 6004), (3534, 5846), (4218, 4898), (4503, 4588)]