20448090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17477}}^1$

素因数の和:17503

約数の個数: 48

約数和(自身を含む): 57257928

約数和(自身を除く): 36809838

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17477, 34954, 52431, 87385, 104862, 157293, 174770, 227201, 262155, 314586, 454402, 524310, 681603, 786465, 1136005, 1363206, 1572930, 2044809, 2272010, 3408015, 4089618, 6816030, 10224045, 20448090]

約数ペア:

[(1, 20448090), (2, 10224045), (3, 6816030), (5, 4089618), (6, 3408015), (9, 2272010), (10, 2044809), (13, 1572930), (15, 1363206), (18, 1136005), (26, 786465), (30, 681603), (39, 524310), (45, 454402), (65, 314586), (78, 262155), (90, 227201), (117, 174770), (130, 157293), (195, 104862), (234, 87385), (390, 52431), (585, 34954), (1170, 17477)]