20842050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 55710720

約数和(自身を除く): 34868670

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 71, 75, 95, 103, 114, 142, 150, 190, 206, 213, 285, 309, 355, 426, 475, 515, 570, 618, 710, 950, 1030, 1065, 1349, 1425, 1545, 1775, 1957, 2130, 2575, 2698, 2850, 3090, 3550, 3914, 4047, 5150, 5325, 5871, 6745, 7313, 7725, 8094, 9785, 10650, 11742, 13490, 14626, 15450, 19570, 20235, 21939, 29355, 33725, 36565, 40470, 43878, 48925, 58710, 67450, 73130, 97850, 101175, 109695, 138947, 146775, 182825, 202350, 219390, 277894, 293550, 365650, 416841, 548475, 694735, 833682, 1096950, 1389470, 2084205, 3473675, 4168410, 6947350, 10421025, 20842050]

約数ペア:

[(1, 20842050), (2, 10421025), (3, 6947350), (5, 4168410), (6, 3473675), (10, 2084205), (15, 1389470), (19, 1096950), (25, 833682), (30, 694735), (38, 548475), (50, 416841), (57, 365650), (71, 293550), (75, 277894), (95, 219390), (103, 202350), (114, 182825), (142, 146775), (150, 138947), (190, 109695), (206, 101175), (213, 97850), (285, 73130), (309, 67450), (355, 58710), (426, 48925), (475, 43878), (515, 40470), (570, 36565), (618, 33725), (710, 29355), (950, 21939), (1030, 20235), (1065, 19570), (1349, 15450), (1425, 14626), (1545, 13490), (1775, 11742), (1957, 10650), (2130, 9785), (2575, 8094), (2698, 7725), (2850, 7313), (3090, 6745), (3550, 5871), (3914, 5325), (4047, 5150)]