20294896

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 41068800

約数和(自身を除く): 20773904

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 191, 229, 232, 382, 458, 464, 764, 916, 1528, 1832, 3056, 3664, 5539, 6641, 11078, 13282, 22156, 26564, 43739, 44312, 53128, 87478, 88624, 106256, 174956, 349912, 699824, 1268431, 2536862, 5073724, 10147448, 20294896]

約数ペア:

[(1, 20294896), (2, 10147448), (4, 5073724), (8, 2536862), (16, 1268431), (29, 699824), (58, 349912), (116, 174956), (191, 106256), (229, 88624), (232, 87478), (382, 53128), (458, 44312), (464, 43739), (764, 26564), (916, 22156), (1528, 13282), (1832, 11078), (3056, 6641), (3664, 5539)]