20815540920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{470089}}^1$

素因数の和:470150

約数の個数: 128

約数和(自身を含む): 71077608000

約数和(自身を除く): 50262067080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 54, 60, 72, 82, 90, 108, 120, 123, 135, 164, 180, 205, 216, 246, 270, 328, 360, 369, 410, 492, 540, 615, 738, 820, 984, 1080, 1107, 1230, 1476, 1640, 1845, 2214, 2460, 2952, 3690, 4428, 4920, 5535, 7380, 8856, 11070, 14760, 22140, 44280, 470089, 940178, 1410267, 1880356, 2350445, 2820534, 3760712, 4230801, 4700890, 5641068, 7051335, 8461602, 9401780, 11282136, 12692403, 14102670, 16923204, 18803560, 19273649, 21154005, 25384806, 28205340, 33846408, 38547298, 42308010, 50769612, 56410680, 57820947, 63462015, 77094596, 84616020, 96368245, 101539224, 115641894, 126924030, 154189192, 169232040, 173462841, 192736490, 231283788, 253848060, 289104735, 346925682, 385472980, 462567576, 507696120, 520388523, 578209470, 693851364, 770945960, 867314205, 1040777046, 1156418940, 1387702728, 1734628410, 2081554092, 2312837880, 2601942615, 3469256820, 4163108184, 5203885230, 6938513640, 10407770460, 20815540920]

約数ペア:

[(1, 20815540920), (2, 10407770460), (3, 6938513640), (4, 5203885230), (5, 4163108184), (6, 3469256820), (8, 2601942615), (9, 2312837880), (10, 2081554092), (12, 1734628410), (15, 1387702728), (18, 1156418940), (20, 1040777046), (24, 867314205), (27, 770945960), (30, 693851364), (36, 578209470), (40, 520388523), (41, 507696120), (45, 462567576), (54, 385472980), (60, 346925682), (72, 289104735), (82, 253848060), (90, 231283788), (108, 192736490), (120, 173462841), (123, 169232040), (135, 154189192), (164, 126924030), (180, 115641894), (205, 101539224), (216, 96368245), (246, 84616020), (270, 77094596), (328, 63462015), (360, 57820947), (369, 56410680), (410, 50769612), (492, 42308010), (540, 38547298), (615, 33846408), (738, 28205340), (820, 25384806), (984, 21154005), (1080, 19273649), (1107, 18803560), (1230, 16923204), (1476, 14102670), (1640, 12692403), (1845, 11282136), (2214, 9401780), (2460, 8461602), (2952, 7051335), (3690, 5641068), (4428, 4700890), (4920, 4230801), (5535, 3760712), (7380, 2820534), (8856, 2350445), (11070, 1880356), (14760, 1410267), (22140, 940178), (44280, 470089)]