20678910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1669}}^1$

素因数の和:1745

約数の個数: 64

約数和(自身を含む): 57715200

約数和(自身を除く): 37036290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 59, 70, 105, 118, 177, 210, 295, 354, 413, 590, 826, 885, 1239, 1669, 1770, 2065, 2478, 3338, 4130, 5007, 6195, 8345, 10014, 11683, 12390, 16690, 23366, 25035, 35049, 50070, 58415, 70098, 98471, 116830, 175245, 196942, 295413, 350490, 492355, 590826, 689297, 984710, 1378594, 1477065, 2067891, 2954130, 3446485, 4135782, 6892970, 10339455, 20678910]

約数ペア:

[(1, 20678910), (2, 10339455), (3, 6892970), (5, 4135782), (6, 3446485), (7, 2954130), (10, 2067891), (14, 1477065), (15, 1378594), (21, 984710), (30, 689297), (35, 590826), (42, 492355), (59, 350490), (70, 295413), (105, 196942), (118, 175245), (177, 116830), (210, 98471), (295, 70098), (354, 58415), (413, 50070), (590, 35049), (826, 25035), (885, 23366), (1239, 16690), (1669, 12390), (1770, 11683), (2065, 10014), (2478, 8345), (3338, 6195), (4130, 5007)]