20808600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:537

約数の個数: 96

約数和(自身を含む): 65472000

約数和(自身を除く): 44663400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 79, 100, 120, 150, 158, 200, 237, 300, 316, 395, 439, 474, 600, 632, 790, 878, 948, 1185, 1317, 1580, 1756, 1896, 1975, 2195, 2370, 2634, 3160, 3512, 3950, 4390, 4740, 5268, 5925, 6585, 7900, 8780, 9480, 10536, 10975, 11850, 13170, 15800, 17560, 21950, 23700, 26340, 32925, 34681, 43900, 47400, 52680, 65850, 69362, 87800, 104043, 131700, 138724, 173405, 208086, 263400, 277448, 346810, 416172, 520215, 693620, 832344, 867025, 1040430, 1387240, 1734050, 2080860, 2601075, 3468100, 4161720, 5202150, 6936200, 10404300, 20808600]

約数ペア:

[(1, 20808600), (2, 10404300), (3, 6936200), (4, 5202150), (5, 4161720), (6, 3468100), (8, 2601075), (10, 2080860), (12, 1734050), (15, 1387240), (20, 1040430), (24, 867025), (25, 832344), (30, 693620), (40, 520215), (50, 416172), (60, 346810), (75, 277448), (79, 263400), (100, 208086), (120, 173405), (150, 138724), (158, 131700), (200, 104043), (237, 87800), (300, 69362), (316, 65850), (395, 52680), (439, 47400), (474, 43900), (600, 34681), (632, 32925), (790, 26340), (878, 23700), (948, 21950), (1185, 17560), (1317, 15800), (1580, 13170), (1756, 11850), (1896, 10975), (1975, 10536), (2195, 9480), (2370, 8780), (2634, 7900), (3160, 6585), (3512, 5925), (3950, 5268), (4390, 4740)]