20686896

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7561}}^1$

素因数の和:7594

約数の個数: 60

約数和(自身を含む): 60949720

約数和(自身を除く): 40262824

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, 7561, 15122, 22683, 30244, 45366, 60488, 68049, 90732, 120976, 136098, 143659, 181464, 272196, 287318, 362928, 430977, 544392, 574636, 861954, 1088784, 1149272, 1292931, 1723908, 2298544, 2585862, 3447816, 5171724, 6895632, 10343448, 20686896]

約数ペア:

[(1, 20686896), (2, 10343448), (3, 6895632), (4, 5171724), (6, 3447816), (8, 2585862), (9, 2298544), (12, 1723908), (16, 1292931), (18, 1149272), (19, 1088784), (24, 861954), (36, 574636), (38, 544392), (48, 430977), (57, 362928), (72, 287318), (76, 272196), (114, 181464), (144, 143659), (152, 136098), (171, 120976), (228, 90732), (304, 68049), (342, 60488), (456, 45366), (684, 30244), (912, 22683), (1368, 15122), (2736, 7561)]