20089740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:583

約数の個数: 96

約数和(自身を含む): 62496000

約数和(自身を除く): 42406260

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 61, 66, 110, 122, 132, 165, 183, 220, 244, 305, 330, 366, 499, 610, 660, 671, 732, 915, 998, 1220, 1342, 1497, 1830, 1996, 2013, 2495, 2684, 2994, 3355, 3660, 4026, 4990, 5489, 5988, 6710, 7485, 8052, 9980, 10065, 10978, 13420, 14970, 16467, 20130, 21956, 27445, 29940, 30439, 32934, 40260, 54890, 60878, 65868, 82335, 91317, 109780, 121756, 152195, 164670, 182634, 304390, 329340, 334829, 365268, 456585, 608780, 669658, 913170, 1004487, 1339316, 1674145, 1826340, 2008974, 3348290, 4017948, 5022435, 6696580, 10044870, 20089740]

約数ペア:

[(1, 20089740), (2, 10044870), (3, 6696580), (4, 5022435), (5, 4017948), (6, 3348290), (10, 2008974), (11, 1826340), (12, 1674145), (15, 1339316), (20, 1004487), (22, 913170), (30, 669658), (33, 608780), (44, 456585), (55, 365268), (60, 334829), (61, 329340), (66, 304390), (110, 182634), (122, 164670), (132, 152195), (165, 121756), (183, 109780), (220, 91317), (244, 82335), (305, 65868), (330, 60878), (366, 54890), (499, 40260), (610, 32934), (660, 30439), (671, 29940), (732, 27445), (915, 21956), (998, 20130), (1220, 16467), (1342, 14970), (1497, 13420), (1830, 10978), (1996, 10065), (2013, 9980), (2495, 8052), (2684, 7485), (2994, 6710), (3355, 5988), (3660, 5489), (4026, 4990)]