22019940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1809

約数の個数: 72

約数和(自身を含む): 67773888

約数和(自身を除く): 45753948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 1723, 2130, 2556, 3195, 3446, 4260, 5169, 6390, 6892, 8615, 10338, 12780, 15507, 17230, 20676, 25845, 31014, 34460, 51690, 62028, 77535, 103380, 122333, 155070, 244666, 310140, 366999, 489332, 611665, 733998, 1100997, 1223330, 1467996, 1834995, 2201994, 2446660, 3669990, 4403988, 5504985, 7339980, 11009970, 22019940]

約数ペア:

[(1, 22019940), (2, 11009970), (3, 7339980), (4, 5504985), (5, 4403988), (6, 3669990), (9, 2446660), (10, 2201994), (12, 1834995), (15, 1467996), (18, 1223330), (20, 1100997), (30, 733998), (36, 611665), (45, 489332), (60, 366999), (71, 310140), (90, 244666), (142, 155070), (180, 122333), (213, 103380), (284, 77535), (355, 62028), (426, 51690), (639, 34460), (710, 31014), (852, 25845), (1065, 20676), (1278, 17230), (1420, 15507), (1723, 12780), (2130, 10338), (2556, 8615), (3195, 6892), (3446, 6390), (4260, 5169)]