20140920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1097}}^1$

素因数の和:1134

約数の個数: 128

約数和(自身を含む): 71150400

約数和(自身を除く): 51009480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 306, 340, 360, 408, 459, 510, 540, 612, 680, 765, 918, 1020, 1080, 1097, 1224, 1530, 1836, 2040, 2194, 2295, 3060, 3291, 3672, 4388, 4590, 5485, 6120, 6582, 8776, 9180, 9873, 10970, 13164, 16455, 18360, 18649, 19746, 21940, 26328, 29619, 32910, 37298, 39492, 43880, 49365, 55947, 59238, 65820, 74596, 78984, 93245, 98730, 111894, 118476, 131640, 148095, 149192, 167841, 186490, 197460, 223788, 236952, 279735, 296190, 335682, 372980, 394920, 447576, 503523, 559470, 592380, 671364, 745960, 839205, 1007046, 1118940, 1184760, 1342728, 1678410, 2014092, 2237880, 2517615, 3356820, 4028184, 5035230, 6713640, 10070460, 20140920]

約数ペア:

[(1, 20140920), (2, 10070460), (3, 6713640), (4, 5035230), (5, 4028184), (6, 3356820), (8, 2517615), (9, 2237880), (10, 2014092), (12, 1678410), (15, 1342728), (17, 1184760), (18, 1118940), (20, 1007046), (24, 839205), (27, 745960), (30, 671364), (34, 592380), (36, 559470), (40, 503523), (45, 447576), (51, 394920), (54, 372980), (60, 335682), (68, 296190), (72, 279735), (85, 236952), (90, 223788), (102, 197460), (108, 186490), (120, 167841), (135, 149192), (136, 148095), (153, 131640), (170, 118476), (180, 111894), (204, 98730), (216, 93245), (255, 78984), (270, 74596), (306, 65820), (340, 59238), (360, 55947), (408, 49365), (459, 43880), (510, 39492), (540, 37298), (612, 32910), (680, 29619), (765, 26328), (918, 21940), (1020, 19746), (1080, 18649), (1097, 18360), (1224, 16455), (1530, 13164), (1836, 10970), (2040, 9873), (2194, 9180), (2295, 8776), (3060, 6582), (3291, 6120), (3672, 5485), (4388, 4590)]