20199031840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{10567}}^1$

素因数の和:11514

約数の個数: 96

約数和(自身を含む): 51451787520

約数和(自身を除く): 31252755680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 919, 1040, 1838, 2080, 3676, 4595, 7352, 9190, 10567, 11947, 14704, 18380, 21134, 23894, 29408, 36760, 42268, 47788, 52835, 59735, 73520, 84536, 95576, 105670, 119470, 137371, 147040, 169072, 191152, 211340, 238940, 274742, 338144, 382304, 422680, 477880, 549484, 686855, 845360, 955760, 1098968, 1373710, 1690720, 1911520, 2197936, 2747420, 4395872, 5494840, 9711073, 10989680, 19422146, 21979360, 38844292, 48555365, 77688584, 97110730, 126243949, 155377168, 194221460, 252487898, 310754336, 388442920, 504975796, 631219745, 776885840, 1009951592, 1262439490, 1553771680, 2019903184, 2524878980, 4039806368, 5049757960, 10099515920, 20199031840]

約数ペア:

[(1, 20199031840), (2, 10099515920), (4, 5049757960), (5, 4039806368), (8, 2524878980), (10, 2019903184), (13, 1553771680), (16, 1262439490), (20, 1009951592), (26, 776885840), (32, 631219745), (40, 504975796), (52, 388442920), (65, 310754336), (80, 252487898), (104, 194221460), (130, 155377168), (160, 126243949), (208, 97110730), (260, 77688584), (416, 48555365), (520, 38844292), (919, 21979360), (1040, 19422146), (1838, 10989680), (2080, 9711073), (3676, 5494840), (4595, 4395872), (7352, 2747420), (9190, 2197936), (10567, 1911520), (11947, 1690720), (14704, 1373710), (18380, 1098968), (21134, 955760), (23894, 845360), (29408, 686855), (36760, 549484), (42268, 477880), (47788, 422680), (52835, 382304), (59735, 338144), (73520, 274742), (84536, 238940), (95576, 211340), (105670, 191152), (119470, 169072), (137371, 147040)]