20894310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7489}}^1$

素因数の和:7533

約数の個数: 48

約数和(自身を含む): 56085120

約数和(自身を除く): 35190810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7489, 14978, 22467, 37445, 44934, 67401, 74890, 112335, 134802, 224670, 232159, 337005, 464318, 674010, 696477, 1160795, 1392954, 2089431, 2321590, 3482385, 4178862, 6964770, 10447155, 20894310]

約数ペア:

[(1, 20894310), (2, 10447155), (3, 6964770), (5, 4178862), (6, 3482385), (9, 2321590), (10, 2089431), (15, 1392954), (18, 1160795), (30, 696477), (31, 674010), (45, 464318), (62, 337005), (90, 232159), (93, 224670), (155, 134802), (186, 112335), (279, 74890), (310, 67401), (465, 44934), (558, 37445), (930, 22467), (1395, 14978), (2790, 7489)]