20861924

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 41469120

約数和(自身を除く): 20607196

約数列:

[1, 2, 4, 17, 19, 34, 38, 67, 68, 76, 134, 241, 268, 323, 482, 646, 964, 1139, 1273, 1292, 2278, 2546, 4097, 4556, 4579, 5092, 8194, 9158, 16147, 16388, 18316, 21641, 32294, 43282, 64588, 77843, 86564, 155686, 274499, 306793, 311372, 548998, 613586, 1097996, 1227172, 5215481, 10430962, 20861924]

約数ペア:

[(1, 20861924), (2, 10430962), (4, 5215481), (17, 1227172), (19, 1097996), (34, 613586), (38, 548998), (67, 311372), (68, 306793), (76, 274499), (134, 155686), (241, 86564), (268, 77843), (323, 64588), (482, 43282), (646, 32294), (964, 21641), (1139, 18316), (1273, 16388), (1292, 16147), (2278, 9158), (2546, 8194), (4097, 5092), (4556, 4579)]