20221600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 59246208

約数和(自身を除く): 39024608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 157, 160, 161, 175, 184, 200, 224, 230, 280, 314, 322, 350, 368, 400, 460, 560, 575, 628, 644, 700, 736, 785, 800, 805, 920, 1099, 1120, 1150, 1256, 1288, 1400, 1570, 1610, 1840, 2198, 2300, 2512, 2576, 2800, 3140, 3220, 3611, 3680, 3925, 4025, 4396, 4600, 5024, 5152, 5495, 5600, 6280, 6440, 7222, 7850, 8050, 8792, 9200, 10990, 12560, 12880, 14444, 15700, 16100, 17584, 18055, 18400, 21980, 25120, 25277, 25760, 27475, 28888, 31400, 32200, 35168, 36110, 43960, 50554, 54950, 57776, 62800, 64400, 72220, 87920, 90275, 101108, 109900, 115552, 125600, 126385, 128800, 144440, 175840, 180550, 202216, 219800, 252770, 288880, 361100, 404432, 439600, 505540, 577760, 631925, 722200, 808864, 879200, 1011080, 1263850, 1444400, 2022160, 2527700, 2888800, 4044320, 5055400, 10110800, 20221600]

約数ペア:

[(1, 20221600), (2, 10110800), (4, 5055400), (5, 4044320), (7, 2888800), (8, 2527700), (10, 2022160), (14, 1444400), (16, 1263850), (20, 1011080), (23, 879200), (25, 808864), (28, 722200), (32, 631925), (35, 577760), (40, 505540), (46, 439600), (50, 404432), (56, 361100), (70, 288880), (80, 252770), (92, 219800), (100, 202216), (112, 180550), (115, 175840), (140, 144440), (157, 128800), (160, 126385), (161, 125600), (175, 115552), (184, 109900), (200, 101108), (224, 90275), (230, 87920), (280, 72220), (314, 64400), (322, 62800), (350, 57776), (368, 54950), (400, 50554), (460, 43960), (560, 36110), (575, 35168), (628, 32200), (644, 31400), (700, 28888), (736, 27475), (785, 25760), (800, 25277), (805, 25120), (920, 21980), (1099, 18400), (1120, 18055), (1150, 17584), (1256, 16100), (1288, 15700), (1400, 14444), (1570, 12880), (1610, 12560), (1840, 10990), (2198, 9200), (2300, 8792), (2512, 8050), (2576, 7850), (2800, 7222), (3140, 6440), (3220, 6280), (3611, 5600), (3680, 5495), (3925, 5152), (4025, 5024), (4396, 4600)]