20591880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1699}}^1$

素因数の和:1814

約数の個数: 64

約数和(自身を含む): 62424000

約数和(自身を除く): 41832120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1699, 2020, 2424, 3030, 3398, 4040, 5097, 6060, 6796, 8495, 10194, 12120, 13592, 16990, 20388, 25485, 33980, 40776, 50970, 67960, 101940, 171599, 203880, 343198, 514797, 686396, 857995, 1029594, 1372792, 1715990, 2059188, 2573985, 3431980, 4118376, 5147970, 6863960, 10295940, 20591880]

約数ペア:

[(1, 20591880), (2, 10295940), (3, 6863960), (4, 5147970), (5, 4118376), (6, 3431980), (8, 2573985), (10, 2059188), (12, 1715990), (15, 1372792), (20, 1029594), (24, 857995), (30, 686396), (40, 514797), (60, 343198), (101, 203880), (120, 171599), (202, 101940), (303, 67960), (404, 50970), (505, 40776), (606, 33980), (808, 25485), (1010, 20388), (1212, 16990), (1515, 13592), (1699, 12120), (2020, 10194), (2424, 8495), (3030, 6796), (3398, 6060), (4040, 5097)]