20921393772

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{17609}}^1$

素因数の和:17837

約数の個数: 120

約数和(自身を含む): 57872799600

約数和(自身を除く): 36951405828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 193, 228, 324, 342, 386, 513, 579, 684, 772, 1026, 1158, 1539, 1737, 2052, 2316, 3078, 3474, 3667, 5211, 6156, 6948, 7334, 10422, 11001, 14668, 15633, 17609, 20844, 22002, 31266, 33003, 35218, 44004, 52827, 62532, 66006, 70436, 99009, 105654, 132012, 158481, 198018, 211308, 297027, 316962, 334571, 396036, 475443, 594054, 633924, 669142, 950886, 1003713, 1188108, 1338284, 1426329, 1901772, 2007426, 2852658, 3011139, 3398537, 4014852, 5705316, 6022278, 6797074, 9033417, 10195611, 12044556, 13594148, 18066834, 20391222, 27100251, 30586833, 36133668, 40782444, 54200502, 61173666, 64572203, 91760499, 108401004, 122347332, 129144406, 183520998, 193716609, 258288812, 275281497, 367041996, 387433218, 550562994, 581149827, 774866436, 1101125988, 1162299654, 1743449481, 2324599308, 3486898962, 5230348443, 6973797924, 10460696886, 20921393772]

約数ペア:

[(1, 20921393772), (2, 10460696886), (3, 6973797924), (4, 5230348443), (6, 3486898962), (9, 2324599308), (12, 1743449481), (18, 1162299654), (19, 1101125988), (27, 774866436), (36, 581149827), (38, 550562994), (54, 387433218), (57, 367041996), (76, 275281497), (81, 258288812), (108, 193716609), (114, 183520998), (162, 129144406), (171, 122347332), (193, 108401004), (228, 91760499), (324, 64572203), (342, 61173666), (386, 54200502), (513, 40782444), (579, 36133668), (684, 30586833), (772, 27100251), (1026, 20391222), (1158, 18066834), (1539, 13594148), (1737, 12044556), (2052, 10195611), (2316, 9033417), (3078, 6797074), (3474, 6022278), (3667, 5705316), (5211, 4014852), (6156, 3398537), (6948, 3011139), (7334, 2852658), (10422, 2007426), (11001, 1901772), (14668, 1426329), (15633, 1338284), (17609, 1188108), (20844, 1003713), (22002, 950886), (31266, 669142), (33003, 633924), (35218, 594054), (44004, 475443), (52827, 396036), (62532, 334571), (66006, 316962), (70436, 297027), (99009, 211308), (105654, 198018), (132012, 158481)]