20962212080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{36973}}^1$

素因数の和:37378

約数の個数: 80

約数和(自身を含む): 51441186720

約数和(自身を除く): 30478974640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 373, 380, 746, 760, 1492, 1520, 1865, 2984, 3730, 5968, 7087, 7460, 14174, 14920, 28348, 29840, 35435, 36973, 56696, 70870, 73946, 113392, 141740, 147892, 184865, 283480, 295784, 369730, 566960, 591568, 702487, 739460, 1404974, 1478920, 2809948, 2957840, 3512435, 5619896, 7024870, 11239792, 13790929, 14049740, 27581858, 28099480, 55163716, 56198960, 68954645, 110327432, 137909290, 220654864, 262027651, 275818580, 524055302, 551637160, 1048110604, 1103274320, 1310138255, 2096221208, 2620276510, 4192442416, 5240553020, 10481106040, 20962212080]

約数ペア:

[(1, 20962212080), (2, 10481106040), (4, 5240553020), (5, 4192442416), (8, 2620276510), (10, 2096221208), (16, 1310138255), (19, 1103274320), (20, 1048110604), (38, 551637160), (40, 524055302), (76, 275818580), (80, 262027651), (95, 220654864), (152, 137909290), (190, 110327432), (304, 68954645), (373, 56198960), (380, 55163716), (746, 28099480), (760, 27581858), (1492, 14049740), (1520, 13790929), (1865, 11239792), (2984, 7024870), (3730, 5619896), (5968, 3512435), (7087, 2957840), (7460, 2809948), (14174, 1478920), (14920, 1404974), (28348, 739460), (29840, 702487), (35435, 591568), (36973, 566960), (56696, 369730), (70870, 295784), (73946, 283480), (113392, 184865), (141740, 147892)]