20265140308

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2213}}^1\times {\mathrm{2459}}^1$

素因数の和:4709

約数の個数: 72

約数和(自身を含む): 43462591200

約数和(自身を除く): 23197450892

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 2213, 2459, 3724, 4426, 4918, 8852, 9836, 15491, 17213, 30982, 34426, 42047, 46721, 61964, 68852, 84094, 93442, 108437, 120491, 168188, 186884, 216874, 240982, 294329, 327047, 433748, 481964, 588658, 654094, 1177316, 1308188, 2060303, 2289329, 4120606, 4578658, 5441767, 8241212, 9157316, 10883534, 21767068, 38092369, 76184738, 103393573, 152369476, 206787146, 266646583, 413574292, 533293166, 723755011, 1066586332, 1447510022, 2895020044, 5066285077, 10132570154, 20265140308]

約数ペア:

[(1, 20265140308), (2, 10132570154), (4, 5066285077), (7, 2895020044), (14, 1447510022), (19, 1066586332), (28, 723755011), (38, 533293166), (49, 413574292), (76, 266646583), (98, 206787146), (133, 152369476), (196, 103393573), (266, 76184738), (532, 38092369), (931, 21767068), (1862, 10883534), (2213, 9157316), (2459, 8241212), (3724, 5441767), (4426, 4578658), (4918, 4120606), (8852, 2289329), (9836, 2060303), (15491, 1308188), (17213, 1177316), (30982, 654094), (34426, 588658), (42047, 481964), (46721, 433748), (61964, 327047), (68852, 294329), (84094, 240982), (93442, 216874), (108437, 186884), (120491, 168188)]