20565688080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1748783}}^1$

素因数の和:1748813

約数の個数: 120

約数和(自身を含む): 74162431872

約数和(自身を除く): 53596743792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 1748783, 3497566, 5246349, 6995132, 8743915, 10492698, 12241481, 13990264, 17487830, 20985396, 24482962, 26231745, 27980528, 34975660, 36724443, 41970792, 48965924, 52463490, 61207405, 69951320, 73448886, 83941584, 85690367, 97931848, 104926980, 122414810, 139902640, 146897772, 171380734, 183622215, 195863696, 209853960, 244829620, 257071101, 293795544, 342761468, 367244430, 419707920, 428451835, 489659240, 514142202, 587591088, 685522936, 734488860, 856903670, 979318480, 1028284404, 1285355505, 1371045872, 1468977720, 1713807340, 2056568808, 2570711010, 2937955440, 3427614680, 4113137616, 5141422020, 6855229360, 10282844040, 20565688080]

約数ペア:

[(1, 20565688080), (2, 10282844040), (3, 6855229360), (4, 5141422020), (5, 4113137616), (6, 3427614680), (7, 2937955440), (8, 2570711010), (10, 2056568808), (12, 1713807340), (14, 1468977720), (15, 1371045872), (16, 1285355505), (20, 1028284404), (21, 979318480), (24, 856903670), (28, 734488860), (30, 685522936), (35, 587591088), (40, 514142202), (42, 489659240), (48, 428451835), (49, 419707920), (56, 367244430), (60, 342761468), (70, 293795544), (80, 257071101), (84, 244829620), (98, 209853960), (105, 195863696), (112, 183622215), (120, 171380734), (140, 146897772), (147, 139902640), (168, 122414810), (196, 104926980), (210, 97931848), (240, 85690367), (245, 83941584), (280, 73448886), (294, 69951320), (336, 61207405), (392, 52463490), (420, 48965924), (490, 41970792), (560, 36724443), (588, 34975660), (735, 27980528), (784, 26231745), (840, 24482962), (980, 20985396), (1176, 17487830), (1470, 13990264), (1680, 12241481), (1960, 10492698), (2352, 8743915), (2940, 6995132), (3920, 5246349), (5880, 3497566), (11760, 1748783)]