20120369854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{1451}}^1$

素因数の和:1745

約数の個数: 64

約数和(自身を含む): 33916861440

約数和(自身を除く): 13796491586

約数列:

[1, 2, 13, 26, 43, 79, 86, 157, 158, 314, 559, 1027, 1118, 1451, 2041, 2054, 2902, 3397, 4082, 6751, 6794, 12403, 13502, 18863, 24806, 37726, 44161, 62393, 87763, 88322, 114629, 124786, 161239, 175526, 227807, 229258, 322478, 455614, 533329, 811109, 1066658, 1490177, 1622218, 2961491, 2980354, 4929047, 5922982, 6933277, 9795701, 9858094, 13866554, 17996753, 19591402, 35993506, 64077611, 127344113, 128155222, 233957789, 254688226, 467915578, 773860379, 1547720758, 10060184927, 20120369854]

約数ペア:

[(1, 20120369854), (2, 10060184927), (13, 1547720758), (26, 773860379), (43, 467915578), (79, 254688226), (86, 233957789), (157, 128155222), (158, 127344113), (314, 64077611), (559, 35993506), (1027, 19591402), (1118, 17996753), (1451, 13866554), (2041, 9858094), (2054, 9795701), (2902, 6933277), (3397, 5922982), (4082, 4929047), (6751, 2980354), (6794, 2961491), (12403, 1622218), (13502, 1490177), (18863, 1066658), (24806, 811109), (37726, 533329), (44161, 455614), (62393, 322478), (87763, 229258), (88322, 227807), (114629, 175526), (124786, 161239)]