20644488

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15091}}^1$

素因数の和:15122

約数の個数: 48

約数和(自身を含む): 58858800

約数和(自身を除く): 38214312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15091, 30182, 45273, 60364, 90546, 120728, 135819, 181092, 271638, 286729, 362184, 543276, 573458, 860187, 1086552, 1146916, 1720374, 2293832, 2580561, 3440748, 5161122, 6881496, 10322244, 20644488]

約数ペア:

[(1, 20644488), (2, 10322244), (3, 6881496), (4, 5161122), (6, 3440748), (8, 2580561), (9, 2293832), (12, 1720374), (18, 1146916), (19, 1086552), (24, 860187), (36, 573458), (38, 543276), (57, 362184), (72, 286729), (76, 271638), (114, 181092), (152, 135819), (171, 120728), (228, 90546), (342, 60364), (456, 45273), (684, 30182), (1368, 15091)]