20313120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 64774080

約数和(自身を除く): 44460960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 101, 120, 160, 202, 240, 303, 404, 419, 480, 505, 606, 808, 838, 1010, 1212, 1257, 1515, 1616, 1676, 2020, 2095, 2424, 2514, 3030, 3232, 3352, 4040, 4190, 4848, 5028, 6060, 6285, 6704, 8080, 8380, 9696, 10056, 12120, 12570, 13408, 16160, 16760, 20112, 24240, 25140, 33520, 40224, 42319, 48480, 50280, 67040, 84638, 100560, 126957, 169276, 201120, 211595, 253914, 338552, 423190, 507828, 634785, 677104, 846380, 1015656, 1269570, 1354208, 1692760, 2031312, 2539140, 3385520, 4062624, 5078280, 6771040, 10156560, 20313120]

約数ペア:

[(1, 20313120), (2, 10156560), (3, 6771040), (4, 5078280), (5, 4062624), (6, 3385520), (8, 2539140), (10, 2031312), (12, 1692760), (15, 1354208), (16, 1269570), (20, 1015656), (24, 846380), (30, 677104), (32, 634785), (40, 507828), (48, 423190), (60, 338552), (80, 253914), (96, 211595), (101, 201120), (120, 169276), (160, 126957), (202, 100560), (240, 84638), (303, 67040), (404, 50280), (419, 48480), (480, 42319), (505, 40224), (606, 33520), (808, 25140), (838, 24240), (1010, 20112), (1212, 16760), (1257, 16160), (1515, 13408), (1616, 12570), (1676, 12120), (2020, 10056), (2095, 9696), (2424, 8380), (2514, 8080), (3030, 6704), (3232, 6285), (3352, 6060), (4040, 5028), (4190, 4848)]