20289083220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{16102447}}^1$

素因数の和:16102469

約数の個数: 72

約数和(自身を含む): 70335492864

約数和(自身を除く): 50046409644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 16102447, 32204894, 48307341, 64409788, 80512235, 96614682, 112717129, 144922023, 161024470, 193229364, 225434258, 241536705, 289844046, 322048940, 338151387, 450868516, 483073410, 563585645, 579688092, 676302774, 724610115, 966146820, 1014454161, 1127171290, 1352605548, 1449220230, 1690756935, 2028908322, 2254342580, 2898440460, 3381513870, 4057816644, 5072270805, 6763027740, 10144541610, 20289083220]

約数ペア:

[(1, 20289083220), (2, 10144541610), (3, 6763027740), (4, 5072270805), (5, 4057816644), (6, 3381513870), (7, 2898440460), (9, 2254342580), (10, 2028908322), (12, 1690756935), (14, 1449220230), (15, 1352605548), (18, 1127171290), (20, 1014454161), (21, 966146820), (28, 724610115), (30, 676302774), (35, 579688092), (36, 563585645), (42, 483073410), (45, 450868516), (60, 338151387), (63, 322048940), (70, 289844046), (84, 241536705), (90, 225434258), (105, 193229364), (126, 161024470), (140, 144922023), (180, 112717129), (210, 96614682), (252, 80512235), (315, 64409788), (420, 48307341), (630, 32204894), (1260, 16102447)]