20992230

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:435

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 45362970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 29, 30, 35, 42, 45, 54, 58, 63, 70, 87, 90, 105, 126, 135, 145, 174, 189, 203, 210, 261, 270, 290, 315, 378, 383, 406, 435, 522, 609, 630, 766, 783, 870, 945, 1015, 1149, 1218, 1305, 1566, 1827, 1890, 1915, 2030, 2298, 2610, 2681, 3045, 3447, 3654, 3830, 3915, 5362, 5481, 5745, 6090, 6894, 7830, 8043, 9135, 10341, 10962, 11107, 11490, 13405, 16086, 17235, 18270, 20682, 22214, 24129, 26810, 27405, 33321, 34470, 40215, 48258, 51705, 54810, 55535, 66642, 72387, 77749, 80430, 99963, 103410, 111070, 120645, 144774, 155498, 166605, 199926, 233247, 241290, 299889, 333210, 361935, 388745, 466494, 499815, 599778, 699741, 723870, 777490, 999630, 1166235, 1399482, 1499445, 2099223, 2332470, 2998890, 3498705, 4198446, 6997410, 10496115, 20992230]

約数ペア:

[(1, 20992230), (2, 10496115), (3, 6997410), (5, 4198446), (6, 3498705), (7, 2998890), (9, 2332470), (10, 2099223), (14, 1499445), (15, 1399482), (18, 1166235), (21, 999630), (27, 777490), (29, 723870), (30, 699741), (35, 599778), (42, 499815), (45, 466494), (54, 388745), (58, 361935), (63, 333210), (70, 299889), (87, 241290), (90, 233247), (105, 199926), (126, 166605), (135, 155498), (145, 144774), (174, 120645), (189, 111070), (203, 103410), (210, 99963), (261, 80430), (270, 77749), (290, 72387), (315, 66642), (378, 55535), (383, 54810), (406, 51705), (435, 48258), (522, 40215), (609, 34470), (630, 33321), (766, 27405), (783, 26810), (870, 24129), (945, 22214), (1015, 20682), (1149, 18270), (1218, 17235), (1305, 16086), (1566, 13405), (1827, 11490), (1890, 11107), (1915, 10962), (2030, 10341), (2298, 9135), (2610, 8043), (2681, 7830), (3045, 6894), (3447, 6090), (3654, 5745), (3830, 5481), (3915, 5362)]