20006896

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^2\times {\mathrm{151}}^1$

素因数の和:199

約数の個数: 90

約数和(自身を含む): 49150872

約数和(自身を除く): 29143976

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 151, 169, 182, 196, 208, 302, 338, 364, 392, 604, 637, 676, 728, 784, 1057, 1183, 1208, 1274, 1352, 1456, 1963, 2114, 2366, 2416, 2548, 2704, 3926, 4228, 4732, 5096, 7399, 7852, 8281, 8456, 9464, 10192, 13741, 14798, 15704, 16562, 16912, 18928, 25519, 27482, 29596, 31408, 33124, 51038, 54964, 59192, 66248, 96187, 102076, 109928, 118384, 132496, 178633, 192374, 204152, 219856, 357266, 384748, 408304, 714532, 769496, 1250431, 1429064, 1538992, 2500862, 2858128, 5001724, 10003448, 20006896]

約数ペア:

[(1, 20006896), (2, 10003448), (4, 5001724), (7, 2858128), (8, 2500862), (13, 1538992), (14, 1429064), (16, 1250431), (26, 769496), (28, 714532), (49, 408304), (52, 384748), (56, 357266), (91, 219856), (98, 204152), (104, 192374), (112, 178633), (151, 132496), (169, 118384), (182, 109928), (196, 102076), (208, 96187), (302, 66248), (338, 59192), (364, 54964), (392, 51038), (604, 33124), (637, 31408), (676, 29596), (728, 27482), (784, 25519), (1057, 18928), (1183, 16912), (1208, 16562), (1274, 15704), (1352, 14798), (1456, 13741), (1963, 10192), (2114, 9464), (2366, 8456), (2416, 8281), (2548, 7852), (2704, 7399), (3926, 5096), (4228, 4732)]