20797994490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{331231}}^1$

素因数の和:331284

約数の個数: 128

約数和(自身を含む): 64105316352

約数和(自身を除く): 43307321862

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 23, 26, 30, 35, 39, 42, 46, 65, 69, 70, 78, 91, 105, 115, 130, 138, 161, 182, 195, 210, 230, 273, 299, 322, 345, 390, 455, 483, 546, 598, 690, 805, 897, 910, 966, 1365, 1495, 1610, 1794, 2093, 2415, 2730, 2990, 4186, 4485, 4830, 6279, 8970, 10465, 12558, 20930, 31395, 62790, 331231, 662462, 993693, 1656155, 1987386, 2318617, 3312310, 4306003, 4637234, 4968465, 6955851, 7618313, 8612006, 9936930, 11593085, 12918009, 13911702, 15236626, 21530015, 22854939, 23186170, 25836018, 30142021, 34779255, 38091565, 43060030, 45709878, 53328191, 60284042, 64590045, 69558510, 76183130, 90426063, 99038069, 106656382, 114274695, 129180090, 150710105, 159984573, 180852126, 198076138, 228549390, 266640955, 297114207, 301420210, 319969146, 452130315, 495190345, 533281910, 594228414, 693266483, 799922865, 904260630, 990380690, 1386532966, 1485571035, 1599845730, 2079799449, 2971142070, 3466332415, 4159598898, 6932664830, 10398997245, 20797994490]

約数ペア:

[(1, 20797994490), (2, 10398997245), (3, 6932664830), (5, 4159598898), (6, 3466332415), (7, 2971142070), (10, 2079799449), (13, 1599845730), (14, 1485571035), (15, 1386532966), (21, 990380690), (23, 904260630), (26, 799922865), (30, 693266483), (35, 594228414), (39, 533281910), (42, 495190345), (46, 452130315), (65, 319969146), (69, 301420210), (70, 297114207), (78, 266640955), (91, 228549390), (105, 198076138), (115, 180852126), (130, 159984573), (138, 150710105), (161, 129180090), (182, 114274695), (195, 106656382), (210, 99038069), (230, 90426063), (273, 76183130), (299, 69558510), (322, 64590045), (345, 60284042), (390, 53328191), (455, 45709878), (483, 43060030), (546, 38091565), (598, 34779255), (690, 30142021), (805, 25836018), (897, 23186170), (910, 22854939), (966, 21530015), (1365, 15236626), (1495, 13911702), (1610, 12918009), (1794, 11593085), (2093, 9936930), (2415, 8612006), (2730, 7618313), (2990, 6955851), (4186, 4968465), (4485, 4637234), (4830, 4306003), (6279, 3312310), (8970, 2318617), (10465, 1987386), (12558, 1656155), (20930, 993693), (31395, 662462), (62790, 331231)]