20149088080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1205089}}^1$

素因数の和:1205132

約数の個数: 80

約数和(自身を含む): 53795217600

約数和(自身を除く): 33646129520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 1205089, 2410178, 4820356, 6025445, 9640712, 12050890, 13255979, 19281424, 22896691, 24101780, 26511958, 45793382, 48203560, 53023916, 66279895, 91586764, 96407120, 106047832, 114483455, 132559790, 183173528, 212095664, 228966910, 251863601, 265119580, 366347056, 457933820, 503727202, 530239160, 915867640, 1007454404, 1060478320, 1259318005, 1831735280, 2014908808, 2518636010, 4029817616, 5037272020, 10074544040, 20149088080]

約数ペア:

[(1, 20149088080), (2, 10074544040), (4, 5037272020), (5, 4029817616), (8, 2518636010), (10, 2014908808), (11, 1831735280), (16, 1259318005), (19, 1060478320), (20, 1007454404), (22, 915867640), (38, 530239160), (40, 503727202), (44, 457933820), (55, 366347056), (76, 265119580), (80, 251863601), (88, 228966910), (95, 212095664), (110, 183173528), (152, 132559790), (176, 114483455), (190, 106047832), (209, 96407120), (220, 91586764), (304, 66279895), (380, 53023916), (418, 48203560), (440, 45793382), (760, 26511958), (836, 24101780), (880, 22896691), (1045, 19281424), (1520, 13255979), (1672, 12050890), (2090, 9640712), (3344, 6025445), (4180, 4820356), (8360, 2410178), (16720, 1205089)]