20819640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173497}}^1$

素因数の和:173511

約数の個数: 32

約数和(自身を含む): 62459280

約数和(自身を除く): 41639640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173497, 346994, 520491, 693988, 867485, 1040982, 1387976, 1734970, 2081964, 2602455, 3469940, 4163928, 5204910, 6939880, 10409820, 20819640]

約数ペア:

[(1, 20819640), (2, 10409820), (3, 6939880), (4, 5204910), (5, 4163928), (6, 3469940), (8, 2602455), (10, 2081964), (12, 1734970), (15, 1387976), (20, 1040982), (24, 867485), (30, 693988), (40, 520491), (60, 346994), (120, 173497)]