20798933764

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{2137}}^1$

素因数の和:2322

約数の個数: 144

約数和(自身を含む): 47170916352

約数和(自身を除く): 26371982588

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 49, 68, 92, 98, 119, 127, 161, 196, 238, 254, 322, 391, 476, 508, 644, 782, 833, 889, 1127, 1564, 1666, 1778, 2137, 2159, 2254, 2737, 2921, 3332, 3556, 4274, 4318, 4508, 5474, 5842, 6223, 8548, 8636, 10948, 11684, 12446, 14959, 15113, 19159, 20447, 24892, 29918, 30226, 36329, 38318, 40894, 49151, 49657, 59836, 60452, 72658, 76636, 81788, 98302, 99314, 104713, 105791, 143129, 145316, 196604, 198628, 209426, 211582, 254303, 271399, 286258, 344057, 347599, 418852, 423164, 508606, 542798, 572516, 688114, 695198, 835567, 1017212, 1085596, 1376228, 1390396, 1671134, 1780121, 1899793, 2408399, 2433193, 3342268, 3560242, 3799586, 4613783, 4816798, 4866386, 5848969, 6242177, 7120484, 7599172, 9227566, 9633596, 9732772, 11697938, 12484354, 13298551, 18455132, 23395876, 24968708, 26597102, 32296481, 40942783, 43695239, 53194204, 64592962, 81885566, 87390478, 106117009, 129185924, 163771132, 174780956, 212234018, 226075367, 305866673, 424468036, 452150734, 611733346, 742819063, 904301468, 1223466692, 1485638126, 2971276252, 5199733441, 10399466882, 20798933764]

約数ペア:

[(1, 20798933764), (2, 10399466882), (4, 5199733441), (7, 2971276252), (14, 1485638126), (17, 1223466692), (23, 904301468), (28, 742819063), (34, 611733346), (46, 452150734), (49, 424468036), (68, 305866673), (92, 226075367), (98, 212234018), (119, 174780956), (127, 163771132), (161, 129185924), (196, 106117009), (238, 87390478), (254, 81885566), (322, 64592962), (391, 53194204), (476, 43695239), (508, 40942783), (644, 32296481), (782, 26597102), (833, 24968708), (889, 23395876), (1127, 18455132), (1564, 13298551), (1666, 12484354), (1778, 11697938), (2137, 9732772), (2159, 9633596), (2254, 9227566), (2737, 7599172), (2921, 7120484), (3332, 6242177), (3556, 5848969), (4274, 4866386), (4318, 4816798), (4508, 4613783), (5474, 3799586), (5842, 3560242), (6223, 3342268), (8548, 2433193), (8636, 2408399), (10948, 1899793), (11684, 1780121), (12446, 1671134), (14959, 1390396), (15113, 1376228), (19159, 1085596), (20447, 1017212), (24892, 835567), (29918, 695198), (30226, 688114), (36329, 572516), (38318, 542798), (40894, 508606), (49151, 423164), (49657, 418852), (59836, 347599), (60452, 344057), (72658, 286258), (76636, 271399), (81788, 254303), (98302, 211582), (99314, 209426), (104713, 198628), (105791, 196604), (143129, 145316)]