20149290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{1523}}^1$

素因数の和:1553

約数の個数: 96

約数和(自身を含む): 62544960

約数和(自身を除く): 42395670

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1523, 1890, 2205, 2646, 3046, 4410, 4569, 6615, 7615, 9138, 10661, 13230, 13707, 15230, 21322, 22845, 27414, 31983, 41121, 45690, 53305, 63966, 68535, 74627, 82242, 95949, 106610, 137070, 149254, 159915, 191898, 205605, 223881, 287847, 319830, 373135, 411210, 447762, 479745, 575694, 671643, 746270, 959490, 1119405, 1343286, 1439235, 2014929, 2238810, 2878470, 3358215, 4029858, 6716430, 10074645, 20149290]

約数ペア:

[(1, 20149290), (2, 10074645), (3, 6716430), (5, 4029858), (6, 3358215), (7, 2878470), (9, 2238810), (10, 2014929), (14, 1439235), (15, 1343286), (18, 1119405), (21, 959490), (27, 746270), (30, 671643), (35, 575694), (42, 479745), (45, 447762), (49, 411210), (54, 373135), (63, 319830), (70, 287847), (90, 223881), (98, 205605), (105, 191898), (126, 159915), (135, 149254), (147, 137070), (189, 106610), (210, 95949), (245, 82242), (270, 74627), (294, 68535), (315, 63966), (378, 53305), (441, 45690), (490, 41121), (630, 31983), (735, 27414), (882, 22845), (945, 21322), (1323, 15230), (1470, 13707), (1523, 13230), (1890, 10661), (2205, 9138), (2646, 7615), (3046, 6615), (4410, 4569)]