16820752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 80

約数和(自身を含む): 38247552

約数和(自身を除く): 21426800

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 67, 68, 71, 104, 134, 136, 142, 208, 221, 268, 272, 284, 442, 536, 568, 871, 884, 923, 1072, 1136, 1139, 1207, 1742, 1768, 1846, 2278, 2414, 3484, 3536, 3692, 4556, 4757, 4828, 6968, 7384, 9112, 9514, 9656, 13936, 14768, 14807, 15691, 18224, 19028, 19312, 29614, 31382, 38056, 59228, 61841, 62764, 76112, 80869, 118456, 123682, 125528, 161738, 236912, 247364, 251056, 323476, 494728, 646952, 989456, 1051297, 1293904, 2102594, 4205188, 8410376, 16820752]

約数ペア:

[(1, 16820752), (2, 8410376), (4, 4205188), (8, 2102594), (13, 1293904), (16, 1051297), (17, 989456), (26, 646952), (34, 494728), (52, 323476), (67, 251056), (68, 247364), (71, 236912), (104, 161738), (134, 125528), (136, 123682), (142, 118456), (208, 80869), (221, 76112), (268, 62764), (272, 61841), (284, 59228), (442, 38056), (536, 31382), (568, 29614), (871, 19312), (884, 19028), (923, 18224), (1072, 15691), (1136, 14807), (1139, 14768), (1207, 13936), (1742, 9656), (1768, 9514), (1846, 9112), (2278, 7384), (2414, 6968), (3484, 4828), (3536, 4757), (3692, 4556)]