20201006500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{15739}}^1$

素因数の和:15926

約数の個数: 96

約数和(自身を含む): 47026586880

約数和(自身を除く): 26825580380

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 151, 170, 250, 302, 340, 425, 500, 604, 755, 850, 1510, 1700, 2125, 2567, 3020, 3775, 4250, 5134, 7550, 8500, 10268, 12835, 15100, 15739, 18875, 25670, 31478, 37750, 51340, 62956, 64175, 75500, 78695, 128350, 157390, 256700, 267563, 314780, 320875, 393475, 535126, 641750, 786950, 1070252, 1283500, 1337815, 1573900, 1967375, 2376589, 2675630, 3934750, 4753178, 5351260, 6689075, 7869500, 9506356, 11882945, 13378150, 23765890, 26756300, 33445375, 40402013, 47531780, 59414725, 66890750, 80804026, 118829450, 133781500, 161608052, 202010065, 237658900, 297073625, 404020130, 594147250, 808040260, 1010050325, 1188294500, 2020100650, 4040201300, 5050251625, 10100503250, 20201006500]

約数ペア:

[(1, 20201006500), (2, 10100503250), (4, 5050251625), (5, 4040201300), (10, 2020100650), (17, 1188294500), (20, 1010050325), (25, 808040260), (34, 594147250), (50, 404020130), (68, 297073625), (85, 237658900), (100, 202010065), (125, 161608052), (151, 133781500), (170, 118829450), (250, 80804026), (302, 66890750), (340, 59414725), (425, 47531780), (500, 40402013), (604, 33445375), (755, 26756300), (850, 23765890), (1510, 13378150), (1700, 11882945), (2125, 9506356), (2567, 7869500), (3020, 6689075), (3775, 5351260), (4250, 4753178), (5134, 3934750), (7550, 2675630), (8500, 2376589), (10268, 1967375), (12835, 1573900), (15100, 1337815), (15739, 1283500), (18875, 1070252), (25670, 786950), (31478, 641750), (37750, 535126), (51340, 393475), (62956, 320875), (64175, 314780), (75500, 267563), (78695, 256700), (128350, 157390)]