20085195420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1412461}}^1$

素因数の和:1412555

約数の個数: 72

約数和(自身を含む): 61696340160

約数和(自身を除く): 41611144740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 1412461, 2824922, 4237383, 5649844, 7062305, 8474766, 12712149, 14124610, 16949532, 21186915, 25424298, 28249220, 42373830, 50848596, 63560745, 84747660, 111584419, 127121490, 223168838, 254242980, 334753257, 446337676, 557922095, 669506514, 1004259771, 1115844190, 1339013028, 1673766285, 2008519542, 2231688380, 3347532570, 4017039084, 5021298855, 6695065140, 10042597710, 20085195420]

約数ペア:

[(1, 20085195420), (2, 10042597710), (3, 6695065140), (4, 5021298855), (5, 4017039084), (6, 3347532570), (9, 2231688380), (10, 2008519542), (12, 1673766285), (15, 1339013028), (18, 1115844190), (20, 1004259771), (30, 669506514), (36, 557922095), (45, 446337676), (60, 334753257), (79, 254242980), (90, 223168838), (158, 127121490), (180, 111584419), (237, 84747660), (316, 63560745), (395, 50848596), (474, 42373830), (711, 28249220), (790, 25424298), (948, 21186915), (1185, 16949532), (1422, 14124610), (1580, 12712149), (2370, 8474766), (2844, 7062305), (3555, 5649844), (4740, 4237383), (7110, 2824922), (14220, 1412461)]