20667240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:352

約数の個数: 192

約数和(自身を含む): 77837760

約数和(自身を除く): 57170520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 255, 264, 306, 307, 330, 340, 360, 374, 396, 408, 440, 495, 510, 561, 612, 614, 660, 680, 748, 765, 792, 921, 935, 990, 1020, 1122, 1224, 1228, 1320, 1496, 1530, 1535, 1683, 1842, 1870, 1980, 2040, 2244, 2456, 2763, 2805, 3060, 3070, 3366, 3377, 3684, 3740, 3960, 4488, 4605, 5219, 5526, 5610, 6120, 6140, 6732, 6754, 7368, 7480, 8415, 9210, 10131, 10438, 11052, 11220, 12280, 13464, 13508, 13815, 15657, 16830, 16885, 18420, 20262, 20876, 22104, 22440, 26095, 27016, 27630, 30393, 31314, 33660, 33770, 36840, 40524, 41752, 46971, 50655, 52190, 55260, 57409, 60786, 62628, 67320, 67540, 78285, 81048, 93942, 101310, 104380, 110520, 114818, 121572, 125256, 135080, 151965, 156570, 172227, 187884, 202620, 208760, 229636, 234855, 243144, 287045, 303930, 313140, 344454, 375768, 405240, 459272, 469710, 516681, 574090, 607860, 626280, 688908, 861135, 939420, 1033362, 1148180, 1215720, 1377816, 1722270, 1878840, 2066724, 2296360, 2583405, 3444540, 4133448, 5166810, 6889080, 10333620, 20667240]

約数ペア:

[(1, 20667240), (2, 10333620), (3, 6889080), (4, 5166810), (5, 4133448), (6, 3444540), (8, 2583405), (9, 2296360), (10, 2066724), (11, 1878840), (12, 1722270), (15, 1377816), (17, 1215720), (18, 1148180), (20, 1033362), (22, 939420), (24, 861135), (30, 688908), (33, 626280), (34, 607860), (36, 574090), (40, 516681), (44, 469710), (45, 459272), (51, 405240), (55, 375768), (60, 344454), (66, 313140), (68, 303930), (72, 287045), (85, 243144), (88, 234855), (90, 229636), (99, 208760), (102, 202620), (110, 187884), (120, 172227), (132, 156570), (136, 151965), (153, 135080), (165, 125256), (170, 121572), (180, 114818), (187, 110520), (198, 104380), (204, 101310), (220, 93942), (255, 81048), (264, 78285), (306, 67540), (307, 67320), (330, 62628), (340, 60786), (360, 57409), (374, 55260), (396, 52190), (408, 50655), (440, 46971), (495, 41752), (510, 40524), (561, 36840), (612, 33770), (614, 33660), (660, 31314), (680, 30393), (748, 27630), (765, 27016), (792, 26095), (921, 22440), (935, 22104), (990, 20876), (1020, 20262), (1122, 18420), (1224, 16885), (1228, 16830), (1320, 15657), (1496, 13815), (1530, 13508), (1535, 13464), (1683, 12280), (1842, 11220), (1870, 11052), (1980, 10438), (2040, 10131), (2244, 9210), (2456, 8415), (2763, 7480), (2805, 7368), (3060, 6754), (3070, 6732), (3366, 6140), (3377, 6120), (3684, 5610), (3740, 5526), (3960, 5219), (4488, 4605)]