20121208245

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{45427}}^1$

素因数の和:45651

約数の個数: 64

約数和(自身を含む): 38072298240

約数和(自身を除く): 17951089995

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 193, 255, 459, 579, 765, 965, 1737, 2295, 2895, 3281, 5211, 8685, 9843, 16405, 26055, 29529, 45427, 49215, 88587, 136281, 147645, 227135, 408843, 442935, 681405, 772259, 1226529, 2044215, 2316777, 3861295, 6132645, 6950331, 8767411, 11583885, 20850993, 26302233, 34751655, 43837055, 78906699, 104254965, 131511165, 149045987, 236720097, 394533495, 447137961, 745229935, 1183600485, 1341413883, 2235689805, 4024241649, 6707069415, 20121208245]

約数ペア:

[(1, 20121208245), (3, 6707069415), (5, 4024241649), (9, 2235689805), (15, 1341413883), (17, 1183600485), (27, 745229935), (45, 447137961), (51, 394533495), (85, 236720097), (135, 149045987), (153, 131511165), (193, 104254965), (255, 78906699), (459, 43837055), (579, 34751655), (765, 26302233), (965, 20850993), (1737, 11583885), (2295, 8767411), (2895, 6950331), (3281, 6132645), (5211, 3861295), (8685, 2316777), (9843, 2044215), (16405, 1226529), (26055, 772259), (29529, 681405), (45427, 442935), (49215, 408843), (88587, 227135), (136281, 147645)]