20524788

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 56157920

約数和(自身を除く): 35633132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 811, 1332, 1406, 1622, 2109, 2433, 2812, 3244, 4218, 4866, 6327, 7299, 8436, 9732, 12654, 14598, 15409, 25308, 29196, 30007, 30818, 46227, 60014, 61636, 90021, 92454, 120028, 138681, 180042, 184908, 270063, 277362, 360084, 540126, 554724, 570133, 1080252, 1140266, 1710399, 2280532, 3420798, 5131197, 6841596, 10262394, 20524788]

約数ペア:

[(1, 20524788), (2, 10262394), (3, 6841596), (4, 5131197), (6, 3420798), (9, 2280532), (12, 1710399), (18, 1140266), (19, 1080252), (36, 570133), (37, 554724), (38, 540126), (57, 360084), (74, 277362), (76, 270063), (111, 184908), (114, 180042), (148, 138681), (171, 120028), (222, 92454), (228, 90021), (333, 61636), (342, 60014), (444, 46227), (666, 30818), (684, 30007), (703, 29196), (811, 25308), (1332, 15409), (1406, 14598), (1622, 12654), (2109, 9732), (2433, 8436), (2812, 7299), (3244, 6327), (4218, 4866)]