20808897816

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{449}}^1\times {\mathrm{39409}}^1$

素因数の和:39881

約数の個数: 96

約数和(自身を含む): 60651990000

約数和(自身を除く): 39843092184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 449, 588, 898, 1176, 1347, 1796, 2694, 3143, 3592, 5388, 6286, 9429, 10776, 12572, 18858, 22001, 25144, 37716, 39409, 44002, 66003, 75432, 78818, 88004, 118227, 132006, 157636, 176008, 236454, 264012, 275863, 315272, 472908, 528024, 551726, 827589, 945816, 1103452, 1655178, 1931041, 2206904, 3310356, 3862082, 5793123, 6620712, 7724164, 11586246, 15448328, 17694641, 23172492, 35389282, 46344984, 53083923, 70778564, 106167846, 123862487, 141557128, 212335692, 247724974, 371587461, 424671384, 495449948, 743174922, 867037409, 990899896, 1486349844, 1734074818, 2601112227, 2972699688, 3468149636, 5202224454, 6936299272, 10404448908, 20808897816]

約数ペア:

[(1, 20808897816), (2, 10404448908), (3, 6936299272), (4, 5202224454), (6, 3468149636), (7, 2972699688), (8, 2601112227), (12, 1734074818), (14, 1486349844), (21, 990899896), (24, 867037409), (28, 743174922), (42, 495449948), (49, 424671384), (56, 371587461), (84, 247724974), (98, 212335692), (147, 141557128), (168, 123862487), (196, 106167846), (294, 70778564), (392, 53083923), (449, 46344984), (588, 35389282), (898, 23172492), (1176, 17694641), (1347, 15448328), (1796, 11586246), (2694, 7724164), (3143, 6620712), (3592, 5793123), (5388, 3862082), (6286, 3310356), (9429, 2206904), (10776, 1931041), (12572, 1655178), (18858, 1103452), (22001, 945816), (25144, 827589), (37716, 551726), (39409, 528024), (44002, 472908), (66003, 315272), (75432, 275863), (78818, 264012), (88004, 236454), (118227, 176008), (132006, 157636)]