20265480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1373}}^1$

素因数の和:1431

約数の個数: 96

約数和(自身を含む): 67518360

約数和(自身を除く): 47252880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1373, 1476, 1640, 1845, 2460, 2746, 2952, 3690, 4119, 4920, 5492, 6865, 7380, 8238, 10984, 12357, 13730, 14760, 16476, 20595, 24714, 27460, 32952, 41190, 49428, 54920, 56293, 61785, 82380, 98856, 112586, 123570, 164760, 168879, 225172, 247140, 281465, 337758, 450344, 494280, 506637, 562930, 675516, 844395, 1013274, 1125860, 1351032, 1688790, 2026548, 2251720, 2533185, 3377580, 4053096, 5066370, 6755160, 10132740, 20265480]

約数ペア:

[(1, 20265480), (2, 10132740), (3, 6755160), (4, 5066370), (5, 4053096), (6, 3377580), (8, 2533185), (9, 2251720), (10, 2026548), (12, 1688790), (15, 1351032), (18, 1125860), (20, 1013274), (24, 844395), (30, 675516), (36, 562930), (40, 506637), (41, 494280), (45, 450344), (60, 337758), (72, 281465), (82, 247140), (90, 225172), (120, 168879), (123, 164760), (164, 123570), (180, 112586), (205, 98856), (246, 82380), (328, 61785), (360, 56293), (369, 54920), (410, 49428), (492, 41190), (615, 32952), (738, 27460), (820, 24714), (984, 20595), (1230, 16476), (1373, 14760), (1476, 13730), (1640, 12357), (1845, 10984), (2460, 8238), (2746, 7380), (2952, 6865), (3690, 5492), (4119, 4920)]