2020201800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6389}}^1$

素因数の和:6456

約数の個数: 192

約数和(自身を含む): 6845990400

約数和(自身を除く): 4825788600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 31, 34, 40, 50, 51, 60, 62, 68, 75, 85, 93, 100, 102, 120, 124, 136, 150, 155, 170, 186, 200, 204, 248, 255, 300, 310, 340, 372, 408, 425, 465, 510, 527, 600, 620, 680, 744, 775, 850, 930, 1020, 1054, 1240, 1275, 1550, 1581, 1700, 1860, 2040, 2108, 2325, 2550, 2635, 3100, 3162, 3400, 3720, 4216, 4650, 5100, 5270, 6200, 6324, 6389, 7905, 9300, 10200, 10540, 12648, 12778, 13175, 15810, 18600, 19167, 21080, 25556, 26350, 31620, 31945, 38334, 39525, 51112, 52700, 63240, 63890, 76668, 79050, 95835, 105400, 108613, 127780, 153336, 158100, 159725, 191670, 198059, 217226, 255560, 316200, 319450, 325839, 383340, 396118, 434452, 479175, 543065, 594177, 638900, 651678, 766680, 792236, 868904, 958350, 990295, 1086130, 1188354, 1277800, 1303356, 1584472, 1629195, 1916700, 1980590, 2172260, 2376708, 2606712, 2715325, 2970885, 3258390, 3367003, 3833400, 3961180, 4344520, 4753416, 4951475, 5430650, 5941770, 6516780, 6734006, 7922360, 8145975, 9902950, 10101009, 10861300, 11883540, 13033560, 13468012, 14854425, 16291950, 16835015, 19805900, 20202018, 21722600, 23767080, 26936024, 29708850, 32583900, 33670030, 39611800, 40404036, 50505045, 59417700, 65167800, 67340060, 80808072, 84175075, 101010090, 118835400, 134680120, 168350150, 202020180, 252525225, 336700300, 404040360, 505050450, 673400600, 1010100900, 2020201800]

約数ペア:

[(1, 2020201800), (2, 1010100900), (3, 673400600), (4, 505050450), (5, 404040360), (6, 336700300), (8, 252525225), (10, 202020180), (12, 168350150), (15, 134680120), (17, 118835400), (20, 101010090), (24, 84175075), (25, 80808072), (30, 67340060), (31, 65167800), (34, 59417700), (40, 50505045), (50, 40404036), (51, 39611800), (60, 33670030), (62, 32583900), (68, 29708850), (75, 26936024), (85, 23767080), (93, 21722600), (100, 20202018), (102, 19805900), (120, 16835015), (124, 16291950), (136, 14854425), (150, 13468012), (155, 13033560), (170, 11883540), (186, 10861300), (200, 10101009), (204, 9902950), (248, 8145975), (255, 7922360), (300, 6734006), (310, 6516780), (340, 5941770), (372, 5430650), (408, 4951475), (425, 4753416), (465, 4344520), (510, 3961180), (527, 3833400), (600, 3367003), (620, 3258390), (680, 2970885), (744, 2715325), (775, 2606712), (850, 2376708), (930, 2172260), (1020, 1980590), (1054, 1916700), (1240, 1629195), (1275, 1584472), (1550, 1303356), (1581, 1277800), (1700, 1188354), (1860, 1086130), (2040, 990295), (2108, 958350), (2325, 868904), (2550, 792236), (2635, 766680), (3100, 651678), (3162, 638900), (3400, 594177), (3720, 543065), (4216, 479175), (4650, 434452), (5100, 396118), (5270, 383340), (6200, 325839), (6324, 319450), (6389, 316200), (7905, 255560), (9300, 217226), (10200, 198059), (10540, 191670), (12648, 159725), (12778, 158100), (13175, 153336), (15810, 127780), (18600, 108613), (19167, 105400), (21080, 95835), (25556, 79050), (26350, 76668), (31620, 63890), (31945, 63240), (38334, 52700), (39525, 51112)]