20730540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4733}}^1$

素因数の和:4818

約数の個数: 48

約数和(自身を含む): 58853088

約数和(自身を除く): 38122548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4733, 9466, 14199, 18932, 23665, 28398, 47330, 56796, 70995, 94660, 141990, 283980, 345509, 691018, 1036527, 1382036, 1727545, 2073054, 3455090, 4146108, 5182635, 6910180, 10365270, 20730540]

約数ペア:

[(1, 20730540), (2, 10365270), (3, 6910180), (4, 5182635), (5, 4146108), (6, 3455090), (10, 2073054), (12, 1727545), (15, 1382036), (20, 1036527), (30, 691018), (60, 345509), (73, 283980), (146, 141990), (219, 94660), (292, 70995), (365, 56796), (438, 47330), (730, 28398), (876, 23665), (1095, 18932), (1460, 14199), (2190, 9466), (4380, 4733)]