20794410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2572

約数の個数: 96

約数和(自身を含む): 66568320

約数和(自身を除く): 45773910

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2539, 2730, 4095, 5078, 7617, 8190, 12695, 15234, 17773, 22851, 25390, 33007, 35546, 38085, 45702, 53319, 66014, 76170, 88865, 99021, 106638, 114255, 159957, 165035, 177730, 198042, 228510, 231049, 266595, 297063, 319914, 330070, 462098, 495105, 533190, 594126, 693147, 799785, 990210, 1155245, 1386294, 1485315, 1599570, 2079441, 2310490, 2970630, 3465735, 4158882, 6931470, 10397205, 20794410]

約数ペア:

[(1, 20794410), (2, 10397205), (3, 6931470), (5, 4158882), (6, 3465735), (7, 2970630), (9, 2310490), (10, 2079441), (13, 1599570), (14, 1485315), (15, 1386294), (18, 1155245), (21, 990210), (26, 799785), (30, 693147), (35, 594126), (39, 533190), (42, 495105), (45, 462098), (63, 330070), (65, 319914), (70, 297063), (78, 266595), (90, 231049), (91, 228510), (105, 198042), (117, 177730), (126, 165035), (130, 159957), (182, 114255), (195, 106638), (210, 99021), (234, 88865), (273, 76170), (315, 66014), (390, 53319), (455, 45702), (546, 38085), (585, 35546), (630, 33007), (819, 25390), (910, 22851), (1170, 17773), (1365, 15234), (1638, 12695), (2539, 8190), (2730, 7617), (4095, 5078)]