20606940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1280

約数の個数: 96

約数和(自身を含む): 66232320

約数和(自身を除く): 45625380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1231, 1395, 1674, 1860, 2462, 2790, 3348, 3693, 4185, 4924, 5580, 6155, 7386, 8370, 11079, 12310, 14772, 16740, 18465, 22158, 24620, 33237, 36930, 38161, 44316, 55395, 66474, 73860, 76322, 110790, 114483, 132948, 152644, 166185, 190805, 221580, 228966, 332370, 343449, 381610, 457932, 572415, 664740, 686898, 763220, 1030347, 1144830, 1373796, 1717245, 2060694, 2289660, 3434490, 4121388, 5151735, 6868980, 10303470, 20606940]

約数ペア:

[(1, 20606940), (2, 10303470), (3, 6868980), (4, 5151735), (5, 4121388), (6, 3434490), (9, 2289660), (10, 2060694), (12, 1717245), (15, 1373796), (18, 1144830), (20, 1030347), (27, 763220), (30, 686898), (31, 664740), (36, 572415), (45, 457932), (54, 381610), (60, 343449), (62, 332370), (90, 228966), (93, 221580), (108, 190805), (124, 166185), (135, 152644), (155, 132948), (180, 114483), (186, 110790), (270, 76322), (279, 73860), (310, 66474), (372, 55395), (465, 44316), (540, 38161), (558, 36930), (620, 33237), (837, 24620), (930, 22158), (1116, 18465), (1231, 16740), (1395, 14772), (1674, 12310), (1860, 11079), (2462, 8370), (2790, 7386), (3348, 6155), (3693, 5580), (4185, 4924)]