20044918764

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{639269}}^1$

素因数の和:639359

約数の個数: 72

約数和(自身を含む): 55381238640

約数和(自身を除く): 35336319876

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 67, 78, 117, 134, 156, 201, 234, 268, 402, 468, 603, 804, 871, 1206, 1742, 2412, 2613, 3484, 5226, 7839, 10452, 15678, 31356, 639269, 1278538, 1917807, 2557076, 3835614, 5753421, 7671228, 8310497, 11506842, 16620994, 23013684, 24931491, 33241988, 42831023, 49862982, 74794473, 85662046, 99725964, 128493069, 149588946, 171324092, 256986138, 299177892, 385479207, 513972276, 556803299, 770958414, 1113606598, 1541916828, 1670409897, 2227213196, 3340819794, 5011229691, 6681639588, 10022459382, 20044918764]

約数ペア:

[(1, 20044918764), (2, 10022459382), (3, 6681639588), (4, 5011229691), (6, 3340819794), (9, 2227213196), (12, 1670409897), (13, 1541916828), (18, 1113606598), (26, 770958414), (36, 556803299), (39, 513972276), (52, 385479207), (67, 299177892), (78, 256986138), (117, 171324092), (134, 149588946), (156, 128493069), (201, 99725964), (234, 85662046), (268, 74794473), (402, 49862982), (468, 42831023), (603, 33241988), (804, 24931491), (871, 23013684), (1206, 16620994), (1742, 11506842), (2412, 8310497), (2613, 7671228), (3484, 5753421), (5226, 3835614), (7839, 2557076), (10452, 1917807), (15678, 1278538), (31356, 639269)]