20235577936

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1097}}^1\times {\mathrm{1511}}^1$

素因数の和:2732

約数の個数: 80

約数和(自身を含む): 45289601280

約数和(自身を除く): 25054023344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1097, 1511, 1526, 1744, 2194, 3022, 3052, 4388, 6044, 6104, 7679, 8776, 10577, 12088, 12208, 15358, 17552, 21154, 24176, 30716, 42308, 61432, 84616, 119573, 122864, 164699, 169232, 239146, 329398, 478292, 658796, 837011, 956584, 1152893, 1317592, 1657567, 1674022, 1913168, 2305786, 2635184, 3315134, 3348044, 4611572, 6630268, 6696088, 9223144, 11602969, 13260536, 13392176, 18446288, 23205938, 26521072, 46411876, 92823752, 180674803, 185647504, 361349606, 722699212, 1264723621, 1445398424, 2529447242, 2890796848, 5058894484, 10117788968, 20235577936]

約数ペア:

[(1, 20235577936), (2, 10117788968), (4, 5058894484), (7, 2890796848), (8, 2529447242), (14, 1445398424), (16, 1264723621), (28, 722699212), (56, 361349606), (109, 185647504), (112, 180674803), (218, 92823752), (436, 46411876), (763, 26521072), (872, 23205938), (1097, 18446288), (1511, 13392176), (1526, 13260536), (1744, 11602969), (2194, 9223144), (3022, 6696088), (3052, 6630268), (4388, 4611572), (6044, 3348044), (6104, 3315134), (7679, 2635184), (8776, 2305786), (10577, 1913168), (12088, 1674022), (12208, 1657567), (15358, 1317592), (17552, 1152893), (21154, 956584), (24176, 837011), (30716, 658796), (42308, 478292), (61432, 329398), (84616, 239146), (119573, 169232), (122864, 164699)]