20291801910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{547}}^1$

素因数の和:942

約数の個数: 128

約数和(自身を含む): 50519462400

約数和(自身を除く): 30227660490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 149, 193, 215, 258, 298, 386, 430, 447, 547, 579, 645, 745, 894, 965, 1094, 1158, 1290, 1490, 1641, 1930, 2235, 2735, 2895, 3282, 4470, 5470, 5790, 6407, 8205, 8299, 12814, 16410, 16598, 19221, 23521, 24897, 28757, 32035, 38442, 41495, 47042, 49794, 57514, 64070, 70563, 81503, 82990, 86271, 96105, 105571, 117605, 124485, 141126, 143785, 163006, 172542, 192210, 211142, 235210, 244509, 248970, 287570, 316713, 352815, 407515, 431355, 489018, 527855, 633426, 705630, 815030, 862710, 1055710, 1222545, 1236551, 1583565, 2445090, 2473102, 3167130, 3504629, 3709653, 4539553, 6182755, 7009258, 7419306, 9079106, 10513887, 12365510, 13618659, 15730079, 17523145, 18548265, 21027774, 22697765, 27237318, 31460158, 35046290, 37096530, 45395530, 47190237, 52569435, 68093295, 78650395, 94380474, 105138870, 136186590, 157300790, 235951185, 471902370, 676393397, 1352786794, 2029180191, 3381966985, 4058360382, 6763933970, 10145900955, 20291801910]

約数ペア:

[(1, 20291801910), (2, 10145900955), (3, 6763933970), (5, 4058360382), (6, 3381966985), (10, 2029180191), (15, 1352786794), (30, 676393397), (43, 471902370), (86, 235951185), (129, 157300790), (149, 136186590), (193, 105138870), (215, 94380474), (258, 78650395), (298, 68093295), (386, 52569435), (430, 47190237), (447, 45395530), (547, 37096530), (579, 35046290), (645, 31460158), (745, 27237318), (894, 22697765), (965, 21027774), (1094, 18548265), (1158, 17523145), (1290, 15730079), (1490, 13618659), (1641, 12365510), (1930, 10513887), (2235, 9079106), (2735, 7419306), (2895, 7009258), (3282, 6182755), (4470, 4539553), (5470, 3709653), (5790, 3504629), (6407, 3167130), (8205, 2473102), (8299, 2445090), (12814, 1583565), (16410, 1236551), (16598, 1222545), (19221, 1055710), (23521, 862710), (24897, 815030), (28757, 705630), (32035, 633426), (38442, 527855), (41495, 489018), (47042, 431355), (49794, 407515), (57514, 352815), (64070, 316713), (70563, 287570), (81503, 248970), (82990, 244509), (86271, 235210), (96105, 211142), (105571, 192210), (117605, 172542), (124485, 163006), (141126, 143785)]