20100151960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4222721}}^1$

素因数の和:4222756

約数の個数: 64

約数和(自身を含む): 54726477120

約数和(自身を除く): 34626325160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 4222721, 8445442, 16890884, 21113605, 29559047, 33781768, 42227210, 59118094, 71786257, 84454420, 118236188, 143572514, 147795235, 168908840, 236472376, 287145028, 295590470, 358931285, 502503799, 574290056, 591180940, 717862570, 1005007598, 1182361880, 1435725140, 2010015196, 2512518995, 2871450280, 4020030392, 5025037990, 10050075980, 20100151960]

約数ペア:

[(1, 20100151960), (2, 10050075980), (4, 5025037990), (5, 4020030392), (7, 2871450280), (8, 2512518995), (10, 2010015196), (14, 1435725140), (17, 1182361880), (20, 1005007598), (28, 717862570), (34, 591180940), (35, 574290056), (40, 502503799), (56, 358931285), (68, 295590470), (70, 287145028), (85, 236472376), (119, 168908840), (136, 147795235), (140, 143572514), (170, 118236188), (238, 84454420), (280, 71786257), (340, 59118094), (476, 42227210), (595, 33781768), (680, 29559047), (952, 21113605), (1190, 16890884), (2380, 8445442), (4760, 4222721)]