20856688920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19311749}}^1$

素因数の和:19311769

約数の個数: 64

約数和(自身を含む): 69522300000

約数和(自身を除く): 48665611080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19311749, 38623498, 57935247, 77246996, 96558745, 115870494, 154493992, 173805741, 193117490, 231740988, 289676235, 347611482, 386234980, 463481976, 521417223, 579352470, 695222964, 772469960, 869028705, 1042834446, 1158704940, 1390445928, 1738057410, 2085668892, 2317409880, 2607086115, 3476114820, 4171337784, 5214172230, 6952229640, 10428344460, 20856688920]

約数ペア:

[(1, 20856688920), (2, 10428344460), (3, 6952229640), (4, 5214172230), (5, 4171337784), (6, 3476114820), (8, 2607086115), (9, 2317409880), (10, 2085668892), (12, 1738057410), (15, 1390445928), (18, 1158704940), (20, 1042834446), (24, 869028705), (27, 772469960), (30, 695222964), (36, 579352470), (40, 521417223), (45, 463481976), (54, 386234980), (60, 347611482), (72, 289676235), (90, 231740988), (108, 193117490), (120, 173805741), (135, 154493992), (180, 115870494), (216, 96558745), (270, 77246996), (360, 57935247), (540, 38623498), (1080, 19311749)]