20296770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{733}}^1$

素因数の和:827

約数の個数: 64

約数和(自身を含む): 53270784

約数和(自身を除く): 32974014

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 355, 390, 426, 710, 733, 923, 1065, 1466, 1846, 2130, 2199, 2769, 3665, 4398, 4615, 5538, 7330, 9230, 9529, 10995, 13845, 19058, 21990, 27690, 28587, 47645, 52043, 57174, 95290, 104086, 142935, 156129, 260215, 285870, 312258, 520430, 676559, 780645, 1353118, 1561290, 2029677, 3382795, 4059354, 6765590, 10148385, 20296770]

約数ペア:

[(1, 20296770), (2, 10148385), (3, 6765590), (5, 4059354), (6, 3382795), (10, 2029677), (13, 1561290), (15, 1353118), (26, 780645), (30, 676559), (39, 520430), (65, 312258), (71, 285870), (78, 260215), (130, 156129), (142, 142935), (195, 104086), (213, 95290), (355, 57174), (390, 52043), (426, 47645), (710, 28587), (733, 27690), (923, 21990), (1065, 19058), (1466, 13845), (1846, 10995), (2130, 9529), (2199, 9230), (2769, 7330), (3665, 5538), (4398, 4615)]