20410080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:540

約数の個数: 96

約数和(自身を含む): 65082528

約数和(自身を除く): 44672448

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, 421, 480, 505, 606, 808, 842, 1010, 1212, 1263, 1515, 1616, 1684, 2020, 2105, 2424, 2526, 3030, 3232, 3368, 4040, 4210, 4848, 5052, 6060, 6315, 6736, 8080, 8420, 9696, 10104, 12120, 12630, 13472, 16160, 16840, 20208, 24240, 25260, 33680, 40416, 42521, 48480, 50520, 67360, 85042, 101040, 127563, 170084, 202080, 212605, 255126, 340168, 425210, 510252, 637815, 680336, 850420, 1020504, 1275630, 1360672, 1700840, 2041008, 2551260, 3401680, 4082016, 5102520, 6803360, 10205040, 20410080]

約数ペア:

[(1, 20410080), (2, 10205040), (3, 6803360), (4, 5102520), (5, 4082016), (6, 3401680), (8, 2551260), (10, 2041008), (12, 1700840), (15, 1360672), (16, 1275630), (20, 1020504), (24, 850420), (30, 680336), (32, 637815), (40, 510252), (48, 425210), (60, 340168), (80, 255126), (96, 212605), (101, 202080), (120, 170084), (160, 127563), (202, 101040), (240, 85042), (303, 67360), (404, 50520), (421, 48480), (480, 42521), (505, 40416), (606, 33680), (808, 25260), (842, 24240), (1010, 20208), (1212, 16840), (1263, 16160), (1515, 13472), (1616, 12630), (1684, 12120), (2020, 10104), (2105, 9696), (2424, 8420), (2526, 8080), (3030, 6736), (3232, 6315), (3368, 6060), (4040, 5052), (4210, 4848)]