20178598740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{471683}}^1$

素因数の和:471749

約数の個数: 96

約数和(自身を含む): 60858556416

約数和(自身を除く): 40679957676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 31, 46, 60, 62, 69, 92, 93, 115, 124, 138, 155, 186, 230, 276, 310, 345, 372, 460, 465, 620, 690, 713, 930, 1380, 1426, 1860, 2139, 2852, 3565, 4278, 7130, 8556, 10695, 14260, 21390, 42780, 471683, 943366, 1415049, 1886732, 2358415, 2830098, 4716830, 5660196, 7075245, 9433660, 10848709, 14150490, 14622173, 21697418, 28300980, 29244346, 32546127, 43394836, 43866519, 54243545, 58488692, 65092254, 73110865, 87733038, 108487090, 130184508, 146221730, 162730635, 175466076, 216974180, 219332595, 292443460, 325461270, 336309979, 438665190, 650922540, 672619958, 877330380, 1008929937, 1345239916, 1681549895, 2017859874, 3363099790, 4035719748, 5044649685, 6726199580, 10089299370, 20178598740]

約数ペア:

[(1, 20178598740), (2, 10089299370), (3, 6726199580), (4, 5044649685), (5, 4035719748), (6, 3363099790), (10, 2017859874), (12, 1681549895), (15, 1345239916), (20, 1008929937), (23, 877330380), (30, 672619958), (31, 650922540), (46, 438665190), (60, 336309979), (62, 325461270), (69, 292443460), (92, 219332595), (93, 216974180), (115, 175466076), (124, 162730635), (138, 146221730), (155, 130184508), (186, 108487090), (230, 87733038), (276, 73110865), (310, 65092254), (345, 58488692), (372, 54243545), (460, 43866519), (465, 43394836), (620, 32546127), (690, 29244346), (713, 28300980), (930, 21697418), (1380, 14622173), (1426, 14150490), (1860, 10848709), (2139, 9433660), (2852, 7075245), (3565, 5660196), (4278, 4716830), (7130, 2830098), (8556, 2358415), (10695, 1886732), (14260, 1415049), (21390, 943366), (42780, 471683)]