20884039190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1\times {\mathrm{467}}^1$

素因数の和:786

約数の個数: 128

約数和(自身を含む): 44834549760

約数和(自身を除く): 23950510570

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 83, 86, 166, 179, 215, 301, 358, 415, 430, 467, 581, 602, 830, 895, 934, 1162, 1253, 1505, 1790, 2335, 2506, 2905, 3010, 3269, 3569, 4670, 5810, 6265, 6538, 7138, 7697, 12530, 14857, 15394, 16345, 17845, 20081, 24983, 29714, 32690, 35690, 38485, 38761, 40162, 49966, 53879, 74285, 76970, 77522, 83593, 100405, 103999, 107758, 124915, 140567, 148570, 167186, 193805, 200810, 207998, 249830, 269395, 271327, 281134, 387610, 417965, 519995, 538790, 542654, 585151, 638851, 702835, 835930, 1039990, 1170302, 1277702, 1356635, 1405670, 1666723, 2713270, 2925755, 3194255, 3333446, 3594499, 4471957, 5851510, 6388510, 6938219, 7188998, 8333615, 8943914, 11667061, 13876438, 16667230, 17972495, 22359785, 23334122, 25161493, 34691095, 35944990, 44719570, 48567533, 50322986, 58335305, 69382190, 97135066, 116670610, 125807465, 242837665, 251614930, 298343417, 485675330, 596686834, 1491717085, 2088403919, 2983434170, 4176807838, 10442019595, 20884039190]

約数ペア:

[(1, 20884039190), (2, 10442019595), (5, 4176807838), (7, 2983434170), (10, 2088403919), (14, 1491717085), (35, 596686834), (43, 485675330), (70, 298343417), (83, 251614930), (86, 242837665), (166, 125807465), (179, 116670610), (215, 97135066), (301, 69382190), (358, 58335305), (415, 50322986), (430, 48567533), (467, 44719570), (581, 35944990), (602, 34691095), (830, 25161493), (895, 23334122), (934, 22359785), (1162, 17972495), (1253, 16667230), (1505, 13876438), (1790, 11667061), (2335, 8943914), (2506, 8333615), (2905, 7188998), (3010, 6938219), (3269, 6388510), (3569, 5851510), (4670, 4471957), (5810, 3594499), (6265, 3333446), (6538, 3194255), (7138, 2925755), (7697, 2713270), (12530, 1666723), (14857, 1405670), (15394, 1356635), (16345, 1277702), (17845, 1170302), (20081, 1039990), (24983, 835930), (29714, 702835), (32690, 638851), (35690, 585151), (38485, 542654), (38761, 538790), (40162, 519995), (49966, 417965), (53879, 387610), (74285, 281134), (76970, 271327), (77522, 269395), (83593, 249830), (100405, 207998), (103999, 200810), (107758, 193805), (124915, 167186), (140567, 148570)]