20100522

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 44640288

約数和(自身を除く): 24539766

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 169, 258, 338, 461, 507, 559, 922, 1014, 1118, 1383, 1677, 2766, 3354, 5993, 7267, 11986, 14534, 17979, 19823, 21801, 35958, 39646, 43602, 59469, 77909, 118938, 155818, 233727, 257699, 467454, 515398, 773097, 1546194, 3350087, 6700174, 10050261, 20100522]

約数ペア:

[(1, 20100522), (2, 10050261), (3, 6700174), (6, 3350087), (13, 1546194), (26, 773097), (39, 515398), (43, 467454), (78, 257699), (86, 233727), (129, 155818), (169, 118938), (258, 77909), (338, 59469), (461, 43602), (507, 39646), (559, 35958), (922, 21801), (1014, 19823), (1118, 17979), (1383, 14534), (1677, 11986), (2766, 7267), (3354, 5993)]