20739930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:839

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 32482470

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 31, 58, 62, 87, 93, 145, 155, 174, 186, 290, 310, 435, 465, 769, 870, 899, 930, 1538, 1798, 2307, 2697, 3845, 4495, 4614, 5394, 7690, 8990, 11535, 13485, 22301, 23070, 23839, 26970, 44602, 47678, 66903, 71517, 111505, 119195, 133806, 143034, 223010, 238390, 334515, 357585, 669030, 691331, 715170, 1382662, 2073993, 3456655, 4147986, 6913310, 10369965, 20739930]

約数ペア:

[(1, 20739930), (2, 10369965), (3, 6913310), (5, 4147986), (6, 3456655), (10, 2073993), (15, 1382662), (29, 715170), (30, 691331), (31, 669030), (58, 357585), (62, 334515), (87, 238390), (93, 223010), (145, 143034), (155, 133806), (174, 119195), (186, 111505), (290, 71517), (310, 66903), (435, 47678), (465, 44602), (769, 26970), (870, 23839), (899, 23070), (930, 22301), (1538, 13485), (1798, 11535), (2307, 8990), (2697, 7690), (3845, 5394), (4495, 4614)]