20807301760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{19433}}^1$

素因数の和:19698

約数の個数: 128

約数和(自身を含む): 57089318400

約数和(自身を除く): 36282016640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 239, 280, 320, 448, 478, 560, 640, 896, 956, 1120, 1195, 1673, 1912, 2240, 2390, 3346, 3824, 4480, 4780, 6692, 7648, 8365, 9560, 13384, 15296, 16730, 19120, 19433, 26768, 30592, 33460, 38240, 38866, 53536, 66920, 76480, 77732, 97165, 107072, 133840, 136031, 152960, 155464, 194330, 214144, 267680, 272062, 310928, 388660, 535360, 544124, 621856, 680155, 777320, 1070720, 1088248, 1243712, 1360310, 1554640, 2176496, 2487424, 2720620, 3109280, 4352992, 4644487, 5441240, 6218560, 8705984, 9288974, 10882480, 12437120, 17411968, 18577948, 21764960, 23222435, 32511409, 37155896, 43529920, 46444870, 65022818, 74311792, 87059840, 92889740, 130045636, 148623584, 162557045, 185779480, 260091272, 297247168, 325114090, 371558960, 520182544, 594494336, 650228180, 743117920, 1040365088, 1300456360, 1486235840, 2080730176, 2600912720, 2972471680, 4161460352, 5201825440, 10403650880, 20807301760]

約数ペア:

[(1, 20807301760), (2, 10403650880), (4, 5201825440), (5, 4161460352), (7, 2972471680), (8, 2600912720), (10, 2080730176), (14, 1486235840), (16, 1300456360), (20, 1040365088), (28, 743117920), (32, 650228180), (35, 594494336), (40, 520182544), (56, 371558960), (64, 325114090), (70, 297247168), (80, 260091272), (112, 185779480), (128, 162557045), (140, 148623584), (160, 130045636), (224, 92889740), (239, 87059840), (280, 74311792), (320, 65022818), (448, 46444870), (478, 43529920), (560, 37155896), (640, 32511409), (896, 23222435), (956, 21764960), (1120, 18577948), (1195, 17411968), (1673, 12437120), (1912, 10882480), (2240, 9288974), (2390, 8705984), (3346, 6218560), (3824, 5441240), (4480, 4644487), (4780, 4352992), (6692, 3109280), (7648, 2720620), (8365, 2487424), (9560, 2176496), (13384, 1554640), (15296, 1360310), (16730, 1243712), (19120, 1088248), (19433, 1070720), (26768, 777320), (30592, 680155), (33460, 621856), (38240, 544124), (38866, 535360), (53536, 388660), (66920, 310928), (76480, 272062), (77732, 267680), (97165, 214144), (107072, 194330), (133840, 155464), (136031, 152960)]