20648592

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7547}}^1$

素因数の和:7580

約数の個数: 60

約数和(自身を含む): 60836880

約数和(自身を除く): 40188288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7547, 15094, 22641, 30188, 45282, 60376, 67923, 90564, 120752, 135846, 143393, 181128, 271692, 286786, 362256, 430179, 543384, 573572, 860358, 1086768, 1147144, 1290537, 1720716, 2294288, 2581074, 3441432, 5162148, 6882864, 10324296, 20648592]

約数ペア:

[(1, 20648592), (2, 10324296), (3, 6882864), (4, 5162148), (6, 3441432), (8, 2581074), (9, 2294288), (12, 1720716), (16, 1290537), (18, 1147144), (19, 1086768), (24, 860358), (36, 573572), (38, 543384), (48, 430179), (57, 362256), (72, 286786), (76, 271692), (114, 181128), (144, 143393), (152, 135846), (171, 120752), (228, 90564), (304, 67923), (342, 60376), (456, 45282), (684, 30188), (912, 22641), (1368, 15094), (2736, 7547)]