20471574960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{23873}}^1$

素因数の和:24292

約数の個数: 160

約数和(自身を含む): 70693778880

約数和(自身を除く): 50222203920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 397, 432, 540, 720, 794, 1080, 1191, 1588, 1985, 2160, 2382, 3176, 3573, 3970, 4764, 5955, 6352, 7146, 7940, 9528, 10719, 11910, 14292, 15880, 17865, 19056, 21438, 23820, 23873, 28584, 31760, 35730, 42876, 47640, 47746, 53595, 57168, 71460, 71619, 85752, 95280, 95492, 107190, 119365, 142920, 143238, 171504, 190984, 214380, 214857, 238730, 285840, 286476, 358095, 381968, 428760, 429714, 477460, 572952, 644571, 716190, 857520, 859428, 954920, 1074285, 1145904, 1289142, 1432380, 1718856, 1909840, 2148570, 2578284, 2864760, 3222855, 3437712, 4297140, 5156568, 5729520, 6445710, 8594280, 9477581, 10313136, 12891420, 17188560, 18955162, 25782840, 28432743, 37910324, 47387905, 51565680, 56865486, 75820648, 85298229, 94775810, 113730972, 142163715, 151641296, 170596458, 189551620, 227461944, 255894687, 284327430, 341192916, 379103240, 426491145, 454923888, 511789374, 568654860, 682385832, 758206480, 852982290, 1023578748, 1137309720, 1279473435, 1364771664, 1705964580, 2047157496, 2274619440, 2558946870, 3411929160, 4094314992, 5117893740, 6823858320, 10235787480, 20471574960]

約数ペア:

[(1, 20471574960), (2, 10235787480), (3, 6823858320), (4, 5117893740), (5, 4094314992), (6, 3411929160), (8, 2558946870), (9, 2274619440), (10, 2047157496), (12, 1705964580), (15, 1364771664), (16, 1279473435), (18, 1137309720), (20, 1023578748), (24, 852982290), (27, 758206480), (30, 682385832), (36, 568654860), (40, 511789374), (45, 454923888), (48, 426491145), (54, 379103240), (60, 341192916), (72, 284327430), (80, 255894687), (90, 227461944), (108, 189551620), (120, 170596458), (135, 151641296), (144, 142163715), (180, 113730972), (216, 94775810), (240, 85298229), (270, 75820648), (360, 56865486), (397, 51565680), (432, 47387905), (540, 37910324), (720, 28432743), (794, 25782840), (1080, 18955162), (1191, 17188560), (1588, 12891420), (1985, 10313136), (2160, 9477581), (2382, 8594280), (3176, 6445710), (3573, 5729520), (3970, 5156568), (4764, 4297140), (5955, 3437712), (6352, 3222855), (7146, 2864760), (7940, 2578284), (9528, 2148570), (10719, 1909840), (11910, 1718856), (14292, 1432380), (15880, 1289142), (17865, 1145904), (19056, 1074285), (21438, 954920), (23820, 859428), (23873, 857520), (28584, 716190), (31760, 644571), (35730, 572952), (42876, 477460), (47640, 429714), (47746, 428760), (53595, 381968), (57168, 358095), (71460, 286476), (71619, 285840), (85752, 238730), (95280, 214857), (95492, 214380), (107190, 190984), (119365, 171504), (142920, 143238)]