20771104

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 22774496

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 127, 152, 254, 269, 304, 508, 538, 608, 1016, 1076, 2032, 2152, 2413, 4064, 4304, 4826, 5111, 8608, 9652, 10222, 19304, 20444, 34163, 38608, 40888, 68326, 77216, 81776, 136652, 163552, 273304, 546608, 649097, 1093216, 1298194, 2596388, 5192776, 10385552, 20771104]

約数ペア:

[(1, 20771104), (2, 10385552), (4, 5192776), (8, 2596388), (16, 1298194), (19, 1093216), (32, 649097), (38, 546608), (76, 273304), (127, 163552), (152, 136652), (254, 81776), (269, 77216), (304, 68326), (508, 40888), (538, 38608), (608, 34163), (1016, 20444), (1076, 19304), (2032, 10222), (2152, 9652), (2413, 8608), (4064, 5111), (4304, 4826)]