20602400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:323

約数の個数: 144

約数和(自身を含む): 62121024

約数和(自身を除く): 41518624

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 160, 175, 182, 200, 208, 224, 260, 280, 283, 325, 350, 364, 400, 416, 455, 520, 560, 566, 650, 700, 728, 800, 910, 1040, 1120, 1132, 1300, 1400, 1415, 1456, 1820, 1981, 2080, 2264, 2275, 2600, 2800, 2830, 2912, 3640, 3679, 3962, 4528, 4550, 5200, 5600, 5660, 7075, 7280, 7358, 7924, 9056, 9100, 9905, 10400, 11320, 14150, 14560, 14716, 15848, 18200, 18395, 19810, 22640, 25753, 28300, 29432, 31696, 36400, 36790, 39620, 45280, 49525, 51506, 56600, 58864, 63392, 72800, 73580, 79240, 91975, 99050, 103012, 113200, 117728, 128765, 147160, 158480, 183950, 198100, 206024, 226400, 257530, 294320, 316960, 367900, 396200, 412048, 515060, 588640, 643825, 735800, 792400, 824096, 1030120, 1287650, 1471600, 1584800, 2060240, 2575300, 2943200, 4120480, 5150600, 10301200, 20602400]

約数ペア:

[(1, 20602400), (2, 10301200), (4, 5150600), (5, 4120480), (7, 2943200), (8, 2575300), (10, 2060240), (13, 1584800), (14, 1471600), (16, 1287650), (20, 1030120), (25, 824096), (26, 792400), (28, 735800), (32, 643825), (35, 588640), (40, 515060), (50, 412048), (52, 396200), (56, 367900), (65, 316960), (70, 294320), (80, 257530), (91, 226400), (100, 206024), (104, 198100), (112, 183950), (130, 158480), (140, 147160), (160, 128765), (175, 117728), (182, 113200), (200, 103012), (208, 99050), (224, 91975), (260, 79240), (280, 73580), (283, 72800), (325, 63392), (350, 58864), (364, 56600), (400, 51506), (416, 49525), (455, 45280), (520, 39620), (560, 36790), (566, 36400), (650, 31696), (700, 29432), (728, 28300), (800, 25753), (910, 22640), (1040, 19810), (1120, 18395), (1132, 18200), (1300, 15848), (1400, 14716), (1415, 14560), (1456, 14150), (1820, 11320), (1981, 10400), (2080, 9905), (2264, 9100), (2275, 9056), (2600, 7924), (2800, 7358), (2830, 7280), (2912, 7075), (3640, 5660), (3679, 5600), (3962, 5200), (4528, 4550)]