20910420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38723}}^1$

素因数の和:38741

約数の個数: 48

約数和(自身を含む): 65056320

約数和(自身を除く): 44145900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38723, 77446, 116169, 154892, 193615, 232338, 348507, 387230, 464676, 580845, 697014, 774460, 1045521, 1161690, 1394028, 1742535, 2091042, 2323380, 3485070, 4182084, 5227605, 6970140, 10455210, 20910420]

約数ペア:

[(1, 20910420), (2, 10455210), (3, 6970140), (4, 5227605), (5, 4182084), (6, 3485070), (9, 2323380), (10, 2091042), (12, 1742535), (15, 1394028), (18, 1161690), (20, 1045521), (27, 774460), (30, 697014), (36, 580845), (45, 464676), (54, 387230), (60, 348507), (90, 232338), (108, 193615), (135, 154892), (180, 116169), (270, 77446), (540, 38723)]