20129650520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1223}}^1\times {\mathrm{2027}}^1$

素因数の和:3297

約数の個数: 128

約数和(自身を含む): 53617075200

約数和(自身を除く): 33487424680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1223, 1624, 2027, 2030, 2446, 4054, 4060, 4892, 6115, 8108, 8120, 8561, 9784, 10135, 12230, 14189, 16216, 17122, 20270, 24460, 28378, 34244, 35467, 40540, 42805, 48920, 56756, 58783, 68488, 70934, 70945, 81080, 85610, 113512, 117566, 141868, 141890, 171220, 177335, 235132, 248269, 283736, 283780, 293915, 342440, 354670, 411481, 470264, 496538, 567560, 587830, 709340, 822962, 993076, 1175660, 1241345, 1418680, 1645924, 1986152, 2057405, 2351320, 2479021, 2482690, 3291848, 4114810, 4958042, 4965380, 8229620, 9916084, 9930760, 12395105, 16459240, 17353147, 19832168, 24790210, 34706294, 49580420, 69412588, 71891609, 86765735, 99160840, 138825176, 143783218, 173531470, 287566436, 347062940, 359458045, 503241263, 575132872, 694125880, 718916090, 1006482526, 1437832180, 2012965052, 2516206315, 2875664360, 4025930104, 5032412630, 10064825260, 20129650520]

約数ペア:

[(1, 20129650520), (2, 10064825260), (4, 5032412630), (5, 4025930104), (7, 2875664360), (8, 2516206315), (10, 2012965052), (14, 1437832180), (20, 1006482526), (28, 718916090), (29, 694125880), (35, 575132872), (40, 503241263), (56, 359458045), (58, 347062940), (70, 287566436), (116, 173531470), (140, 143783218), (145, 138825176), (203, 99160840), (232, 86765735), (280, 71891609), (290, 69412588), (406, 49580420), (580, 34706294), (812, 24790210), (1015, 19832168), (1160, 17353147), (1223, 16459240), (1624, 12395105), (2027, 9930760), (2030, 9916084), (2446, 8229620), (4054, 4965380), (4060, 4958042), (4892, 4114810), (6115, 3291848), (8108, 2482690), (8120, 2479021), (8561, 2351320), (9784, 2057405), (10135, 1986152), (12230, 1645924), (14189, 1418680), (16216, 1241345), (17122, 1175660), (20270, 993076), (24460, 822962), (28378, 709340), (34244, 587830), (35467, 567560), (40540, 496538), (42805, 470264), (48920, 411481), (56756, 354670), (58783, 342440), (68488, 293915), (70934, 283780), (70945, 283736), (81080, 248269), (85610, 235132), (113512, 177335), (117566, 171220), (141868, 141890)]