20512115885862

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{148052747}}^1$

素因数の和:148052977

約数の個数: 48

約数和(自身を含む): 45730532802240

約数和(自身を除く): 25218416916378

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 179, 258, 358, 387, 537, 774, 1074, 1611, 3222, 7697, 15394, 23091, 46182, 69273, 138546, 148052747, 296105494, 444158241, 888316482, 1332474723, 2664949446, 6366268121, 12732536242, 19098804363, 26501441713, 38197608726, 53002883426, 57296413089, 79504325139, 114592826178, 159008650278, 238512975417, 477025950834, 1139561993659, 2279123987318, 3418685980977, 6837371961954, 10256057942931, 20512115885862]

約数ペア:

[(1, 20512115885862), (2, 10256057942931), (3, 6837371961954), (6, 3418685980977), (9, 2279123987318), (18, 1139561993659), (43, 477025950834), (86, 238512975417), (129, 159008650278), (179, 114592826178), (258, 79504325139), (358, 57296413089), (387, 53002883426), (537, 38197608726), (774, 26501441713), (1074, 19098804363), (1611, 12732536242), (3222, 6366268121), (7697, 2664949446), (15394, 1332474723), (23091, 888316482), (46182, 444158241), (69273, 296105494), (138546, 148052747)]