20335380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:114

約数の個数: 144

約数和(自身を含む): 65554944

約数和(自身を除く): 45219564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 31, 39, 52, 58, 60, 62, 65, 78, 87, 93, 116, 124, 130, 145, 155, 156, 174, 186, 195, 260, 290, 310, 348, 372, 377, 390, 403, 435, 465, 580, 620, 754, 780, 806, 841, 870, 899, 930, 1131, 1209, 1508, 1612, 1682, 1740, 1798, 1860, 1885, 2015, 2262, 2418, 2523, 2697, 3364, 3596, 3770, 4030, 4205, 4495, 4524, 4836, 5046, 5394, 5655, 6045, 7540, 8060, 8410, 8990, 10092, 10788, 10933, 11310, 11687, 12090, 12615, 13485, 16820, 17980, 21866, 22620, 23374, 24180, 25230, 26071, 26970, 32799, 35061, 43732, 46748, 50460, 52142, 53940, 54665, 58435, 65598, 70122, 78213, 104284, 109330, 116870, 130355, 131196, 140244, 156426, 163995, 175305, 218660, 233740, 260710, 312852, 327990, 338923, 350610, 391065, 521420, 655980, 677846, 701220, 782130, 1016769, 1355692, 1564260, 1694615, 2033538, 3389230, 4067076, 5083845, 6778460, 10167690, 20335380]

約数ペア:

[(1, 20335380), (2, 10167690), (3, 6778460), (4, 5083845), (5, 4067076), (6, 3389230), (10, 2033538), (12, 1694615), (13, 1564260), (15, 1355692), (20, 1016769), (26, 782130), (29, 701220), (30, 677846), (31, 655980), (39, 521420), (52, 391065), (58, 350610), (60, 338923), (62, 327990), (65, 312852), (78, 260710), (87, 233740), (93, 218660), (116, 175305), (124, 163995), (130, 156426), (145, 140244), (155, 131196), (156, 130355), (174, 116870), (186, 109330), (195, 104284), (260, 78213), (290, 70122), (310, 65598), (348, 58435), (372, 54665), (377, 53940), (390, 52142), (403, 50460), (435, 46748), (465, 43732), (580, 35061), (620, 32799), (754, 26970), (780, 26071), (806, 25230), (841, 24180), (870, 23374), (899, 22620), (930, 21866), (1131, 17980), (1209, 16820), (1508, 13485), (1612, 12615), (1682, 12090), (1740, 11687), (1798, 11310), (1860, 10933), (1885, 10788), (2015, 10092), (2262, 8990), (2418, 8410), (2523, 8060), (2697, 7540), (3364, 6045), (3596, 5655), (3770, 5394), (4030, 5046), (4205, 4836), (4495, 4524)]