20176100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 55413120

約数和(自身を除く): 35237020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 37, 38, 41, 50, 70, 74, 76, 82, 95, 100, 133, 140, 148, 164, 175, 185, 190, 205, 259, 266, 287, 350, 370, 380, 410, 475, 518, 532, 574, 665, 700, 703, 740, 779, 820, 925, 950, 1025, 1036, 1148, 1295, 1330, 1406, 1435, 1517, 1558, 1850, 1900, 2050, 2590, 2660, 2812, 2870, 3034, 3116, 3325, 3515, 3700, 3895, 4100, 4921, 5180, 5453, 5740, 6068, 6475, 6650, 7030, 7175, 7585, 7790, 9842, 10619, 10906, 12950, 13300, 14060, 14350, 15170, 15580, 17575, 19475, 19684, 21238, 21812, 24605, 25900, 27265, 28700, 28823, 30340, 35150, 37925, 38950, 42476, 49210, 53095, 54530, 57646, 70300, 75850, 77900, 98420, 106190, 109060, 115292, 123025, 136325, 144115, 151700, 201761, 212380, 246050, 265475, 272650, 288230, 403522, 492100, 530950, 545300, 576460, 720575, 807044, 1008805, 1061900, 1441150, 2017610, 2882300, 4035220, 5044025, 10088050, 20176100]

約数ペア:

[(1, 20176100), (2, 10088050), (4, 5044025), (5, 4035220), (7, 2882300), (10, 2017610), (14, 1441150), (19, 1061900), (20, 1008805), (25, 807044), (28, 720575), (35, 576460), (37, 545300), (38, 530950), (41, 492100), (50, 403522), (70, 288230), (74, 272650), (76, 265475), (82, 246050), (95, 212380), (100, 201761), (133, 151700), (140, 144115), (148, 136325), (164, 123025), (175, 115292), (185, 109060), (190, 106190), (205, 98420), (259, 77900), (266, 75850), (287, 70300), (350, 57646), (370, 54530), (380, 53095), (410, 49210), (475, 42476), (518, 38950), (532, 37925), (574, 35150), (665, 30340), (700, 28823), (703, 28700), (740, 27265), (779, 25900), (820, 24605), (925, 21812), (950, 21238), (1025, 19684), (1036, 19475), (1148, 17575), (1295, 15580), (1330, 15170), (1406, 14350), (1435, 14060), (1517, 13300), (1558, 12950), (1850, 10906), (1900, 10619), (2050, 9842), (2590, 7790), (2660, 7585), (2812, 7175), (2870, 7030), (3034, 6650), (3116, 6475), (3325, 6068), (3515, 5740), (3700, 5453), (3895, 5180), (4100, 4921)]