20283960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3931}}^1$

素因数の和:3988

約数の個数: 64

約数和(自身を含む): 62282880

約数和(自身を除く): 41998920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3931, 5160, 7862, 11793, 15724, 19655, 23586, 31448, 39310, 47172, 58965, 78620, 94344, 117930, 157240, 169033, 235860, 338066, 471720, 507099, 676132, 845165, 1014198, 1352264, 1690330, 2028396, 2535495, 3380660, 4056792, 5070990, 6761320, 10141980, 20283960]

約数ペア:

[(1, 20283960), (2, 10141980), (3, 6761320), (4, 5070990), (5, 4056792), (6, 3380660), (8, 2535495), (10, 2028396), (12, 1690330), (15, 1352264), (20, 1014198), (24, 845165), (30, 676132), (40, 507099), (43, 471720), (60, 338066), (86, 235860), (120, 169033), (129, 157240), (172, 117930), (215, 94344), (258, 78620), (344, 58965), (430, 47172), (516, 39310), (645, 31448), (860, 23586), (1032, 19655), (1290, 15724), (1720, 11793), (2580, 7862), (3931, 5160)]