20873720520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{17683}}^1$

素因数の和:18796

約数の個数: 128

約数和(自身を含む): 69646665600

約数和(自身を除く): 48772945080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 1093, 2186, 3279, 4372, 5465, 6558, 8744, 9837, 10930, 13116, 16395, 17683, 19674, 21860, 26232, 29511, 32790, 35366, 39348, 43720, 49185, 53049, 59022, 65580, 70732, 78696, 88415, 98370, 106098, 118044, 131160, 141464, 147555, 159147, 176830, 196740, 212196, 236088, 265245, 295110, 318294, 353660, 393480, 424392, 477441, 530490, 590220, 636588, 707320, 795735, 954882, 1060980, 1180440, 1273176, 1591470, 1909764, 2121960, 2387205, 3182940, 3819528, 4774410, 6365880, 9548820, 19097640, 19327519, 38655038, 57982557, 77310076, 96637595, 115965114, 154620152, 173947671, 193275190, 231930228, 289912785, 347895342, 386550380, 463860456, 521843013, 579825570, 695790684, 773100760, 869738355, 1043686026, 1159651140, 1391581368, 1739476710, 2087372052, 2319302280, 2609215065, 3478953420, 4174744104, 5218430130, 6957906840, 10436860260, 20873720520]

約数ペア:

[(1, 20873720520), (2, 10436860260), (3, 6957906840), (4, 5218430130), (5, 4174744104), (6, 3478953420), (8, 2609215065), (9, 2319302280), (10, 2087372052), (12, 1739476710), (15, 1391581368), (18, 1159651140), (20, 1043686026), (24, 869738355), (27, 773100760), (30, 695790684), (36, 579825570), (40, 521843013), (45, 463860456), (54, 386550380), (60, 347895342), (72, 289912785), (90, 231930228), (108, 193275190), (120, 173947671), (135, 154620152), (180, 115965114), (216, 96637595), (270, 77310076), (360, 57982557), (540, 38655038), (1080, 19327519), (1093, 19097640), (2186, 9548820), (3279, 6365880), (4372, 4774410), (5465, 3819528), (6558, 3182940), (8744, 2387205), (9837, 2121960), (10930, 1909764), (13116, 1591470), (16395, 1273176), (17683, 1180440), (19674, 1060980), (21860, 954882), (26232, 795735), (29511, 707320), (32790, 636588), (35366, 590220), (39348, 530490), (43720, 477441), (49185, 424392), (53049, 393480), (59022, 353660), (65580, 318294), (70732, 295110), (78696, 265245), (88415, 236088), (98370, 212196), (106098, 196740), (118044, 176830), (131160, 159147), (141464, 147555)]