20687535280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2473}}^1\times {\mathrm{6151}}^1$

素因数の和:8654

約数の個数: 80

約数和(自身を含む): 50956720704

約数和(自身を除く): 30269185424

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2473, 4946, 6151, 9892, 12302, 12365, 19784, 24604, 24730, 30755, 39568, 42041, 49208, 49460, 61510, 84082, 98416, 98920, 104567, 123020, 168164, 197840, 209134, 210205, 246040, 336328, 418268, 420410, 492080, 522835, 672656, 836536, 840820, 1045670, 1673072, 1681640, 2091340, 3363280, 4182680, 8365360, 15211423, 30422846, 60845692, 76057115, 121691384, 152114230, 243382768, 258594191, 304228460, 517188382, 608456920, 1034376764, 1216913840, 1292970955, 2068753528, 2585941910, 4137507056, 5171883820, 10343767640, 20687535280]

約数ペア:

[(1, 20687535280), (2, 10343767640), (4, 5171883820), (5, 4137507056), (8, 2585941910), (10, 2068753528), (16, 1292970955), (17, 1216913840), (20, 1034376764), (34, 608456920), (40, 517188382), (68, 304228460), (80, 258594191), (85, 243382768), (136, 152114230), (170, 121691384), (272, 76057115), (340, 60845692), (680, 30422846), (1360, 15211423), (2473, 8365360), (4946, 4182680), (6151, 3363280), (9892, 2091340), (12302, 1681640), (12365, 1673072), (19784, 1045670), (24604, 840820), (24730, 836536), (30755, 672656), (39568, 522835), (42041, 492080), (49208, 420410), (49460, 418268), (61510, 336328), (84082, 246040), (98416, 210205), (98920, 209134), (104567, 197840), (123020, 168164)]