20879192520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{5981}}^1\times {\mathrm{9697}}^1$

素因数の和:15695

約数の個数: 96

約数和(自身を含む): 67875720120

約数和(自身を除く): 46996527600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 5981, 9697, 11962, 17943, 19394, 23924, 29091, 29905, 35886, 38788, 47848, 48485, 53829, 58182, 59810, 71772, 77576, 87273, 89715, 96970, 107658, 116364, 119620, 143544, 145455, 174546, 179430, 193940, 215316, 232728, 239240, 269145, 290910, 349092, 358860, 387880, 430632, 436365, 538290, 581820, 698184, 717720, 872730, 1076580, 1163640, 1745460, 2153160, 3490920, 57997757, 115995514, 173993271, 231991028, 289988785, 347986542, 463982056, 521979813, 579977570, 695973084, 869966355, 1043959626, 1159955140, 1391946168, 1739932710, 2087919252, 2319910280, 2609899065, 3479865420, 4175838504, 5219798130, 6959730840, 10439596260, 20879192520]

約数ペア:

[(1, 20879192520), (2, 10439596260), (3, 6959730840), (4, 5219798130), (5, 4175838504), (6, 3479865420), (8, 2609899065), (9, 2319910280), (10, 2087919252), (12, 1739932710), (15, 1391946168), (18, 1159955140), (20, 1043959626), (24, 869966355), (30, 695973084), (36, 579977570), (40, 521979813), (45, 463982056), (60, 347986542), (72, 289988785), (90, 231991028), (120, 173993271), (180, 115995514), (360, 57997757), (5981, 3490920), (9697, 2153160), (11962, 1745460), (17943, 1163640), (19394, 1076580), (23924, 872730), (29091, 717720), (29905, 698184), (35886, 581820), (38788, 538290), (47848, 436365), (48485, 430632), (53829, 387880), (58182, 358860), (59810, 349092), (71772, 290910), (77576, 269145), (87273, 239240), (89715, 232728), (96970, 215316), (107658, 193940), (116364, 179430), (119620, 174546), (143544, 145455)]