20007494640

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1323247}}^1$

素因数の和:1323276

約数の個数: 160

約数和(自身を含む): 78759720960

約数和(自身を除く): 58752226320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 1323247, 2646494, 3969741, 5292988, 6616235, 7939482, 9262729, 10585976, 11909223, 13232470, 15878964, 18525458, 19848705, 21171952, 23818446, 26464940, 27788187, 31757928, 35727669, 37050916, 39697410, 46313645, 47636892, 52929880, 55576374, 59546115, 63515856, 71455338, 74101832, 79394820, 83364561, 92627290, 95273784, 105859760, 111152748, 119092230, 138940935, 142910676, 148203664, 158789640, 166729122, 178638345, 185254580, 190547568, 222305496, 238184460, 250093683, 277881870, 285821352, 317579280, 333458244, 357276690, 370509160, 416822805, 444610992, 476368920, 500187366, 555763740, 571642704, 666916488, 714553380, 741018320, 833645610, 952737840, 1000374732, 1111527480, 1250468415, 1333832976, 1429106760, 1667291220, 2000749464, 2223054960, 2500936830, 2858213520, 3334582440, 4001498928, 5001873660, 6669164880, 10003747320, 20007494640]

約数ペア:

[(1, 20007494640), (2, 10003747320), (3, 6669164880), (4, 5001873660), (5, 4001498928), (6, 3334582440), (7, 2858213520), (8, 2500936830), (9, 2223054960), (10, 2000749464), (12, 1667291220), (14, 1429106760), (15, 1333832976), (16, 1250468415), (18, 1111527480), (20, 1000374732), (21, 952737840), (24, 833645610), (27, 741018320), (28, 714553380), (30, 666916488), (35, 571642704), (36, 555763740), (40, 500187366), (42, 476368920), (45, 444610992), (48, 416822805), (54, 370509160), (56, 357276690), (60, 333458244), (63, 317579280), (70, 285821352), (72, 277881870), (80, 250093683), (84, 238184460), (90, 222305496), (105, 190547568), (108, 185254580), (112, 178638345), (120, 166729122), (126, 158789640), (135, 148203664), (140, 142910676), (144, 138940935), (168, 119092230), (180, 111152748), (189, 105859760), (210, 95273784), (216, 92627290), (240, 83364561), (252, 79394820), (270, 74101832), (280, 71455338), (315, 63515856), (336, 59546115), (360, 55576374), (378, 52929880), (420, 47636892), (432, 46313645), (504, 39697410), (540, 37050916), (560, 35727669), (630, 31757928), (720, 27788187), (756, 26464940), (840, 23818446), (945, 21171952), (1008, 19848705), (1080, 18525458), (1260, 15878964), (1512, 13232470), (1680, 11909223), (1890, 10585976), (2160, 9262729), (2520, 7939482), (3024, 6616235), (3780, 5292988), (5040, 3969741), (7560, 2646494), (15120, 1323247)]