20470320

素因数分解:

$2^4\times 3^9\times 5^1\times {\mathrm{13}}^1$

素因数の和:53

約数の個数: 200

約数和(自身を含む): 76880496

約数和(自身を除く): 56410176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 486, 520, 540, 585, 624, 648, 702, 720, 729, 780, 810, 936, 972, 1040, 1053, 1080, 1170, 1215, 1296, 1404, 1458, 1560, 1620, 1755, 1872, 1944, 2106, 2160, 2187, 2340, 2430, 2808, 2916, 3120, 3159, 3240, 3510, 3645, 3888, 4212, 4374, 4680, 4860, 5265, 5616, 5832, 6318, 6480, 6561, 7020, 7290, 8424, 8748, 9360, 9477, 9720, 10530, 10935, 11664, 12636, 13122, 14040, 14580, 15795, 16848, 17496, 18954, 19440, 19683, 21060, 21870, 25272, 26244, 28080, 28431, 29160, 31590, 32805, 34992, 37908, 39366, 42120, 43740, 47385, 50544, 52488, 56862, 58320, 63180, 65610, 75816, 78732, 84240, 85293, 87480, 94770, 98415, 104976, 113724, 126360, 131220, 142155, 151632, 157464, 170586, 174960, 189540, 196830, 227448, 252720, 255879, 262440, 284310, 314928, 341172, 379080, 393660, 426465, 454896, 511758, 524880, 568620, 682344, 758160, 787320, 852930, 1023516, 1137240, 1279395, 1364688, 1574640, 1705860, 2047032, 2274480, 2558790, 3411720, 4094064, 5117580, 6823440, 10235160, 20470320]

約数ペア:

[(1, 20470320), (2, 10235160), (3, 6823440), (4, 5117580), (5, 4094064), (6, 3411720), (8, 2558790), (9, 2274480), (10, 2047032), (12, 1705860), (13, 1574640), (15, 1364688), (16, 1279395), (18, 1137240), (20, 1023516), (24, 852930), (26, 787320), (27, 758160), (30, 682344), (36, 568620), (39, 524880), (40, 511758), (45, 454896), (48, 426465), (52, 393660), (54, 379080), (60, 341172), (65, 314928), (72, 284310), (78, 262440), (80, 255879), (81, 252720), (90, 227448), (104, 196830), (108, 189540), (117, 174960), (120, 170586), (130, 157464), (135, 151632), (144, 142155), (156, 131220), (162, 126360), (180, 113724), (195, 104976), (208, 98415), (216, 94770), (234, 87480), (240, 85293), (243, 84240), (260, 78732), (270, 75816), (312, 65610), (324, 63180), (351, 58320), (360, 56862), (390, 52488), (405, 50544), (432, 47385), (468, 43740), (486, 42120), (520, 39366), (540, 37908), (585, 34992), (624, 32805), (648, 31590), (702, 29160), (720, 28431), (729, 28080), (780, 26244), (810, 25272), (936, 21870), (972, 21060), (1040, 19683), (1053, 19440), (1080, 18954), (1170, 17496), (1215, 16848), (1296, 15795), (1404, 14580), (1458, 14040), (1560, 13122), (1620, 12636), (1755, 11664), (1872, 10935), (1944, 10530), (2106, 9720), (2160, 9477), (2187, 9360), (2340, 8748), (2430, 8424), (2808, 7290), (2916, 7020), (3120, 6561), (3159, 6480), (3240, 6318), (3510, 5832), (3645, 5616), (3888, 5265), (4212, 4860), (4374, 4680)]