20412810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 160

約数和(自身を含む): 62726400

約数和(自身を除く): 42313590

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 29, 30, 33, 45, 54, 55, 58, 66, 79, 81, 87, 90, 99, 110, 135, 145, 158, 162, 165, 174, 198, 237, 261, 270, 290, 297, 319, 330, 395, 405, 435, 474, 495, 522, 594, 638, 711, 783, 790, 810, 869, 870, 891, 957, 990, 1185, 1305, 1422, 1485, 1566, 1595, 1738, 1782, 1914, 2133, 2291, 2349, 2370, 2607, 2610, 2871, 2970, 3190, 3555, 3915, 4266, 4345, 4455, 4582, 4698, 4785, 5214, 5742, 6399, 6873, 7110, 7821, 7830, 8613, 8690, 8910, 9570, 10665, 11455, 11745, 12798, 13035, 13746, 14355, 15642, 17226, 20619, 21330, 22910, 23463, 23490, 25201, 25839, 26070, 28710, 31995, 34365, 39105, 41238, 43065, 46926, 50402, 51678, 61857, 63990, 68730, 70389, 75603, 78210, 86130, 103095, 117315, 123714, 126005, 129195, 140778, 151206, 185571, 206190, 226809, 234630, 252010, 258390, 309285, 351945, 371142, 378015, 453618, 618570, 680427, 703890, 756030, 927855, 1134045, 1360854, 1855710, 2041281, 2268090, 3402135, 4082562, 6804270, 10206405, 20412810]

約数ペア:

[(1, 20412810), (2, 10206405), (3, 6804270), (5, 4082562), (6, 3402135), (9, 2268090), (10, 2041281), (11, 1855710), (15, 1360854), (18, 1134045), (22, 927855), (27, 756030), (29, 703890), (30, 680427), (33, 618570), (45, 453618), (54, 378015), (55, 371142), (58, 351945), (66, 309285), (79, 258390), (81, 252010), (87, 234630), (90, 226809), (99, 206190), (110, 185571), (135, 151206), (145, 140778), (158, 129195), (162, 126005), (165, 123714), (174, 117315), (198, 103095), (237, 86130), (261, 78210), (270, 75603), (290, 70389), (297, 68730), (319, 63990), (330, 61857), (395, 51678), (405, 50402), (435, 46926), (474, 43065), (495, 41238), (522, 39105), (594, 34365), (638, 31995), (711, 28710), (783, 26070), (790, 25839), (810, 25201), (869, 23490), (870, 23463), (891, 22910), (957, 21330), (990, 20619), (1185, 17226), (1305, 15642), (1422, 14355), (1485, 13746), (1566, 13035), (1595, 12798), (1738, 11745), (1782, 11455), (1914, 10665), (2133, 9570), (2291, 8910), (2349, 8690), (2370, 8613), (2607, 7830), (2610, 7821), (2871, 7110), (2970, 6873), (3190, 6399), (3555, 5742), (3915, 5214), (4266, 4785), (4345, 4698), (4455, 4582)]