20121206460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19726673}}^1$

素因数の和:19726702

約数の個数: 48

約数和(自身を含む): 59653462176

約数和(自身を除く): 39532255716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19726673, 39453346, 59180019, 78906692, 98633365, 118360038, 197266730, 236720076, 295900095, 335353441, 394533460, 591800190, 670706882, 1006060323, 1183600380, 1341413764, 1676767205, 2012120646, 3353534410, 4024241292, 5030301615, 6707068820, 10060603230, 20121206460]

約数ペア:

[(1, 20121206460), (2, 10060603230), (3, 6707068820), (4, 5030301615), (5, 4024241292), (6, 3353534410), (10, 2012120646), (12, 1676767205), (15, 1341413764), (17, 1183600380), (20, 1006060323), (30, 670706882), (34, 591800190), (51, 394533460), (60, 335353441), (68, 295900095), (85, 236720076), (102, 197266730), (170, 118360038), (204, 98633365), (255, 78906692), (340, 59180019), (510, 39453346), (1020, 19726673)]