20315204

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 47980800

約数和(自身を除く): 27665596

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 67, 68, 91, 98, 119, 134, 182, 196, 221, 238, 268, 343, 364, 442, 469, 476, 637, 686, 833, 871, 884, 938, 1139, 1274, 1372, 1547, 1666, 1742, 1876, 2278, 2548, 3094, 3283, 3332, 3484, 4459, 4556, 5831, 6097, 6188, 6566, 7973, 8918, 10829, 11662, 12194, 13132, 14807, 15946, 17836, 21658, 22981, 23324, 24388, 29614, 31892, 42679, 43316, 45962, 55811, 59228, 75803, 85358, 91924, 103649, 111622, 151606, 170716, 207298, 223244, 298753, 303212, 390677, 414596, 597506, 725543, 781354, 1195012, 1451086, 1562708, 2902172, 5078801, 10157602, 20315204]

約数ペア:

[(1, 20315204), (2, 10157602), (4, 5078801), (7, 2902172), (13, 1562708), (14, 1451086), (17, 1195012), (26, 781354), (28, 725543), (34, 597506), (49, 414596), (52, 390677), (67, 303212), (68, 298753), (91, 223244), (98, 207298), (119, 170716), (134, 151606), (182, 111622), (196, 103649), (221, 91924), (238, 85358), (268, 75803), (343, 59228), (364, 55811), (442, 45962), (469, 43316), (476, 42679), (637, 31892), (686, 29614), (833, 24388), (871, 23324), (884, 22981), (938, 21658), (1139, 17836), (1274, 15946), (1372, 14807), (1547, 13132), (1666, 12194), (1742, 11662), (1876, 10829), (2278, 8918), (2548, 7973), (3094, 6566), (3283, 6188), (3332, 6097), (3484, 5831), (4459, 4556)]