20435324

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1866

約数の個数: 48

約数和(自身を含む): 45459456

約数和(自身を除く): 25024132

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 1811, 2821, 3622, 5642, 7244, 11284, 12677, 23543, 25354, 47086, 50708, 56141, 94172, 112282, 164801, 224564, 329602, 392987, 659204, 729833, 785974, 1459666, 1571948, 2919332, 5108831, 10217662, 20435324]

約数ペア:

[(1, 20435324), (2, 10217662), (4, 5108831), (7, 2919332), (13, 1571948), (14, 1459666), (26, 785974), (28, 729833), (31, 659204), (52, 392987), (62, 329602), (91, 224564), (124, 164801), (182, 112282), (217, 94172), (364, 56141), (403, 50708), (434, 47086), (806, 25354), (868, 23543), (1612, 12677), (1811, 11284), (2821, 7244), (3622, 5642)]