20319810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{601}}^1$

素因数の和:648

約数の個数: 96

約数和(自身を含む): 59294592

約数和(自身を除く): 38974782

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 49, 69, 70, 98, 105, 115, 138, 147, 161, 210, 230, 245, 294, 322, 345, 483, 490, 601, 690, 735, 805, 966, 1127, 1202, 1470, 1610, 1803, 2254, 2415, 3005, 3381, 3606, 4207, 4830, 5635, 6010, 6762, 8414, 9015, 11270, 12621, 13823, 16905, 18030, 21035, 25242, 27646, 29449, 33810, 41469, 42070, 58898, 63105, 69115, 82938, 88347, 96761, 126210, 138230, 147245, 176694, 193522, 207345, 290283, 294490, 414690, 441735, 483805, 580566, 677327, 883470, 967610, 1354654, 1451415, 2031981, 2902830, 3386635, 4063962, 6773270, 10159905, 20319810]

約数ペア:

[(1, 20319810), (2, 10159905), (3, 6773270), (5, 4063962), (6, 3386635), (7, 2902830), (10, 2031981), (14, 1451415), (15, 1354654), (21, 967610), (23, 883470), (30, 677327), (35, 580566), (42, 483805), (46, 441735), (49, 414690), (69, 294490), (70, 290283), (98, 207345), (105, 193522), (115, 176694), (138, 147245), (147, 138230), (161, 126210), (210, 96761), (230, 88347), (245, 82938), (294, 69115), (322, 63105), (345, 58898), (483, 42070), (490, 41469), (601, 33810), (690, 29449), (735, 27646), (805, 25242), (966, 21035), (1127, 18030), (1202, 16905), (1470, 13823), (1610, 12621), (1803, 11270), (2254, 9015), (2415, 8414), (3005, 6762), (3381, 6010), (3606, 5635), (4207, 4830)]