20807202840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{523847}}^1$

素因数の和:524192

約数の個数: 64

約数和(自身を含む): 62610312960

約数和(自身を除く): 41803110120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 662, 993, 1324, 1655, 1986, 2648, 3310, 3972, 4965, 6620, 7944, 9930, 13240, 19860, 39720, 523847, 1047694, 1571541, 2095388, 2619235, 3143082, 4190776, 5238470, 6286164, 7857705, 10476940, 12572328, 15715410, 20953880, 31430820, 62861640, 173393357, 346786714, 520180071, 693573428, 866966785, 1040360142, 1387146856, 1733933570, 2080720284, 2600900355, 3467867140, 4161440568, 5201800710, 6935734280, 10403601420, 20807202840]

約数ペア:

[(1, 20807202840), (2, 10403601420), (3, 6935734280), (4, 5201800710), (5, 4161440568), (6, 3467867140), (8, 2600900355), (10, 2080720284), (12, 1733933570), (15, 1387146856), (20, 1040360142), (24, 866966785), (30, 693573428), (40, 520180071), (60, 346786714), (120, 173393357), (331, 62861640), (662, 31430820), (993, 20953880), (1324, 15715410), (1655, 12572328), (1986, 10476940), (2648, 7857705), (3310, 6286164), (3972, 5238470), (4965, 4190776), (6620, 3143082), (7944, 2619235), (9930, 2095388), (13240, 1571541), (19860, 1047694), (39720, 523847)]