20186561360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{53089}}^1$

素因数の和:53213

約数の個数: 120

約数和(自身を含む): 55160297640

約数和(自身を除く): 34973736280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 97, 98, 112, 140, 194, 196, 245, 280, 388, 392, 485, 490, 560, 679, 776, 784, 970, 980, 1358, 1552, 1940, 1960, 2716, 3395, 3880, 3920, 4753, 5432, 6790, 7760, 9506, 10864, 13580, 19012, 23765, 27160, 38024, 47530, 53089, 54320, 76048, 95060, 106178, 190120, 212356, 265445, 371623, 380240, 424712, 530890, 743246, 849424, 1061780, 1486492, 1858115, 2123560, 2601361, 2972984, 3716230, 4247120, 5149633, 5202722, 5945968, 7432460, 10299266, 10405444, 13006805, 14864920, 20598532, 20810888, 25748165, 26013610, 29729840, 36047431, 41197064, 41621776, 51496330, 52027220, 72094862, 82394128, 102992660, 104054440, 144189724, 180237155, 205985320, 208108880, 252332017, 288379448, 360474310, 411970640, 504664034, 576758896, 720948620, 1009328068, 1261660085, 1441897240, 2018656136, 2523320170, 2883794480, 4037312272, 5046640340, 10093280680, 20186561360]

約数ペア:

[(1, 20186561360), (2, 10093280680), (4, 5046640340), (5, 4037312272), (7, 2883794480), (8, 2523320170), (10, 2018656136), (14, 1441897240), (16, 1261660085), (20, 1009328068), (28, 720948620), (35, 576758896), (40, 504664034), (49, 411970640), (56, 360474310), (70, 288379448), (80, 252332017), (97, 208108880), (98, 205985320), (112, 180237155), (140, 144189724), (194, 104054440), (196, 102992660), (245, 82394128), (280, 72094862), (388, 52027220), (392, 51496330), (485, 41621776), (490, 41197064), (560, 36047431), (679, 29729840), (776, 26013610), (784, 25748165), (970, 20810888), (980, 20598532), (1358, 14864920), (1552, 13006805), (1940, 10405444), (1960, 10299266), (2716, 7432460), (3395, 5945968), (3880, 5202722), (3920, 5149633), (4753, 4247120), (5432, 3716230), (6790, 2972984), (7760, 2601361), (9506, 2123560), (10864, 1858115), (13580, 1486492), (19012, 1061780), (23765, 849424), (27160, 743246), (38024, 530890), (47530, 424712), (53089, 380240), (54320, 371623), (76048, 265445), (95060, 212356), (106178, 190120)]