20357700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 66662400

約数和(自身を除く): 46304700

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 31, 33, 44, 50, 55, 60, 62, 66, 75, 93, 100, 110, 124, 132, 150, 155, 165, 186, 199, 220, 275, 300, 310, 330, 341, 372, 398, 465, 550, 597, 620, 660, 682, 775, 796, 825, 930, 995, 1023, 1100, 1194, 1364, 1550, 1650, 1705, 1860, 1990, 2046, 2189, 2325, 2388, 2985, 3100, 3300, 3410, 3980, 4092, 4378, 4650, 4975, 5115, 5970, 6169, 6567, 6820, 8525, 8756, 9300, 9950, 10230, 10945, 11940, 12338, 13134, 14925, 17050, 18507, 19900, 20460, 21890, 24676, 25575, 26268, 29850, 30845, 32835, 34100, 37014, 43780, 51150, 54725, 59700, 61690, 65670, 67859, 74028, 92535, 102300, 109450, 123380, 131340, 135718, 154225, 164175, 185070, 203577, 218900, 271436, 308450, 328350, 339295, 370140, 407154, 462675, 616900, 656700, 678590, 814308, 925350, 1017885, 1357180, 1696475, 1850700, 2035770, 3392950, 4071540, 5089425, 6785900, 10178850, 20357700]

約数ペア:

[(1, 20357700), (2, 10178850), (3, 6785900), (4, 5089425), (5, 4071540), (6, 3392950), (10, 2035770), (11, 1850700), (12, 1696475), (15, 1357180), (20, 1017885), (22, 925350), (25, 814308), (30, 678590), (31, 656700), (33, 616900), (44, 462675), (50, 407154), (55, 370140), (60, 339295), (62, 328350), (66, 308450), (75, 271436), (93, 218900), (100, 203577), (110, 185070), (124, 164175), (132, 154225), (150, 135718), (155, 131340), (165, 123380), (186, 109450), (199, 102300), (220, 92535), (275, 74028), (300, 67859), (310, 65670), (330, 61690), (341, 59700), (372, 54725), (398, 51150), (465, 43780), (550, 37014), (597, 34100), (620, 32835), (660, 30845), (682, 29850), (775, 26268), (796, 25575), (825, 24676), (930, 21890), (995, 20460), (1023, 19900), (1100, 18507), (1194, 17050), (1364, 14925), (1550, 13134), (1650, 12338), (1705, 11940), (1860, 10945), (1990, 10230), (2046, 9950), (2189, 9300), (2325, 8756), (2388, 8525), (2985, 6820), (3100, 6567), (3300, 6169), (3410, 5970), (3980, 5115), (4092, 4975), (4378, 4650)]