20147155371

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{6101}}^1$

素因数の和:6233

約数の個数: 96

約数和(自身を含む): 36187886592

約数和(自身を除く): 16040731221

約数列:

[1, 3, 7, 9, 21, 23, 43, 53, 63, 69, 129, 159, 161, 207, 301, 371, 387, 477, 483, 903, 989, 1113, 1219, 1449, 2279, 2709, 2967, 3339, 3657, 6101, 6837, 6923, 8533, 8901, 10971, 15953, 18303, 20511, 20769, 25599, 42707, 47859, 52417, 54909, 62307, 76797, 128121, 140323, 143577, 157251, 262343, 323353, 366919, 384363, 420969, 471753, 787029, 970059, 982261, 1100757, 1262907, 1836401, 2263471, 2361087, 2910177, 2946783, 3302271, 5509203, 6033889, 6790413, 7437119, 8840349, 13904179, 16527609, 18101667, 20371239, 22311357, 41712537, 42237223, 52059833, 54305001, 66934071, 97329253, 125137611, 126711669, 156179499, 291987759, 319796117, 380135007, 468538497, 875963277, 959388351, 2238572819, 2878165053, 6715718457, 20147155371]

約数ペア:

[(1, 20147155371), (3, 6715718457), (7, 2878165053), (9, 2238572819), (21, 959388351), (23, 875963277), (43, 468538497), (53, 380135007), (63, 319796117), (69, 291987759), (129, 156179499), (159, 126711669), (161, 125137611), (207, 97329253), (301, 66934071), (371, 54305001), (387, 52059833), (477, 42237223), (483, 41712537), (903, 22311357), (989, 20371239), (1113, 18101667), (1219, 16527609), (1449, 13904179), (2279, 8840349), (2709, 7437119), (2967, 6790413), (3339, 6033889), (3657, 5509203), (6101, 3302271), (6837, 2946783), (6923, 2910177), (8533, 2361087), (8901, 2263471), (10971, 1836401), (15953, 1262907), (18303, 1100757), (20511, 982261), (20769, 970059), (25599, 787029), (42707, 471753), (47859, 420969), (52417, 384363), (54909, 366919), (62307, 323353), (76797, 262343), (128121, 157251), (140323, 143577)]