20845110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 60673536

約数和(自身を除く): 39828426

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 43, 55, 65, 66, 78, 86, 110, 113, 129, 130, 143, 165, 195, 215, 226, 258, 286, 330, 339, 390, 429, 430, 473, 559, 565, 645, 678, 715, 858, 946, 1118, 1130, 1243, 1290, 1419, 1430, 1469, 1677, 1695, 2145, 2365, 2486, 2795, 2838, 2938, 3354, 3390, 3729, 4290, 4407, 4730, 4859, 5590, 6149, 6215, 7095, 7345, 7458, 8385, 8814, 9718, 12298, 12430, 14190, 14577, 14690, 16159, 16770, 18447, 18645, 22035, 24295, 29154, 30745, 32318, 36894, 37290, 44070, 48477, 48590, 53449, 61490, 63167, 72885, 80795, 92235, 96954, 106898, 126334, 145770, 160347, 161590, 184470, 189501, 242385, 267245, 315835, 320694, 379002, 484770, 534490, 631670, 694837, 801735, 947505, 1389674, 1603470, 1895010, 2084511, 3474185, 4169022, 6948370, 10422555, 20845110]

約数ペア:

[(1, 20845110), (2, 10422555), (3, 6948370), (5, 4169022), (6, 3474185), (10, 2084511), (11, 1895010), (13, 1603470), (15, 1389674), (22, 947505), (26, 801735), (30, 694837), (33, 631670), (39, 534490), (43, 484770), (55, 379002), (65, 320694), (66, 315835), (78, 267245), (86, 242385), (110, 189501), (113, 184470), (129, 161590), (130, 160347), (143, 145770), (165, 126334), (195, 106898), (215, 96954), (226, 92235), (258, 80795), (286, 72885), (330, 63167), (339, 61490), (390, 53449), (429, 48590), (430, 48477), (473, 44070), (559, 37290), (565, 36894), (645, 32318), (678, 30745), (715, 29154), (858, 24295), (946, 22035), (1118, 18645), (1130, 18447), (1243, 16770), (1290, 16159), (1419, 14690), (1430, 14577), (1469, 14190), (1677, 12430), (1695, 12298), (2145, 9718), (2365, 8814), (2486, 8385), (2795, 7458), (2838, 7345), (2938, 7095), (3354, 6215), (3390, 6149), (3729, 5590), (4290, 4859), (4407, 4730)]