20353620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 192

約数和(自身を含む): 70963200

約数和(自身を除く): 50609580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 43, 46, 49, 60, 69, 70, 84, 86, 92, 98, 105, 115, 129, 138, 140, 147, 161, 172, 196, 210, 215, 230, 245, 258, 276, 294, 301, 322, 343, 345, 420, 430, 460, 483, 490, 516, 588, 602, 644, 645, 686, 690, 735, 805, 860, 903, 966, 980, 989, 1029, 1127, 1204, 1290, 1372, 1380, 1470, 1505, 1610, 1715, 1806, 1932, 1978, 2058, 2107, 2254, 2415, 2580, 2940, 2967, 3010, 3220, 3381, 3430, 3612, 3956, 4116, 4214, 4508, 4515, 4830, 4945, 5145, 5635, 5934, 6020, 6321, 6762, 6860, 6923, 7889, 8428, 9030, 9660, 9890, 10290, 10535, 11270, 11868, 12642, 13524, 13846, 14749, 14835, 15778, 16905, 18060, 19780, 20580, 20769, 21070, 22540, 23667, 25284, 27692, 29498, 29670, 31556, 31605, 33810, 34615, 39445, 41538, 42140, 44247, 47334, 48461, 58996, 59340, 63210, 67620, 69230, 73745, 78890, 83076, 88494, 94668, 96922, 103845, 118335, 126420, 138460, 145383, 147490, 157780, 176988, 193844, 207690, 221235, 236670, 242305, 290766, 294980, 339227, 415380, 442470, 473340, 484610, 581532, 678454, 726915, 884940, 969220, 1017681, 1356908, 1453830, 1696135, 2035362, 2907660, 3392270, 4070724, 5088405, 6784540, 10176810, 20353620]

約数ペア:

[(1, 20353620), (2, 10176810), (3, 6784540), (4, 5088405), (5, 4070724), (6, 3392270), (7, 2907660), (10, 2035362), (12, 1696135), (14, 1453830), (15, 1356908), (20, 1017681), (21, 969220), (23, 884940), (28, 726915), (30, 678454), (35, 581532), (42, 484610), (43, 473340), (46, 442470), (49, 415380), (60, 339227), (69, 294980), (70, 290766), (84, 242305), (86, 236670), (92, 221235), (98, 207690), (105, 193844), (115, 176988), (129, 157780), (138, 147490), (140, 145383), (147, 138460), (161, 126420), (172, 118335), (196, 103845), (210, 96922), (215, 94668), (230, 88494), (245, 83076), (258, 78890), (276, 73745), (294, 69230), (301, 67620), (322, 63210), (343, 59340), (345, 58996), (420, 48461), (430, 47334), (460, 44247), (483, 42140), (490, 41538), (516, 39445), (588, 34615), (602, 33810), (644, 31605), (645, 31556), (686, 29670), (690, 29498), (735, 27692), (805, 25284), (860, 23667), (903, 22540), (966, 21070), (980, 20769), (989, 20580), (1029, 19780), (1127, 18060), (1204, 16905), (1290, 15778), (1372, 14835), (1380, 14749), (1470, 13846), (1505, 13524), (1610, 12642), (1715, 11868), (1806, 11270), (1932, 10535), (1978, 10290), (2058, 9890), (2107, 9660), (2254, 9030), (2415, 8428), (2580, 7889), (2940, 6923), (2967, 6860), (3010, 6762), (3220, 6321), (3381, 6020), (3430, 5934), (3612, 5635), (3956, 5145), (4116, 4945), (4214, 4830), (4508, 4515)]