20131946720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{47143}}^1$

素因数の和:47332

約数の個数: 96

約数和(自身を含む): 50681308608

約数和(自身を除く): 30549361888

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 157, 160, 170, 272, 314, 340, 544, 628, 680, 785, 1256, 1360, 1570, 2512, 2669, 2720, 3140, 5024, 5338, 6280, 10676, 12560, 13345, 21352, 25120, 26690, 42704, 47143, 53380, 85408, 94286, 106760, 188572, 213520, 235715, 377144, 427040, 471430, 754288, 801431, 942860, 1508576, 1602862, 1885720, 3205724, 3771440, 4007155, 6411448, 7401451, 7542880, 8014310, 12822896, 14802902, 16028620, 25645792, 29605804, 32057240, 37007255, 59211608, 64114480, 74014510, 118423216, 125824667, 128228960, 148029020, 236846432, 251649334, 296058040, 503298668, 592116080, 629123335, 1006597336, 1184232160, 1258246670, 2013194672, 2516493340, 4026389344, 5032986680, 10065973360, 20131946720]

約数ペア:

[(1, 20131946720), (2, 10065973360), (4, 5032986680), (5, 4026389344), (8, 2516493340), (10, 2013194672), (16, 1258246670), (17, 1184232160), (20, 1006597336), (32, 629123335), (34, 592116080), (40, 503298668), (68, 296058040), (80, 251649334), (85, 236846432), (136, 148029020), (157, 128228960), (160, 125824667), (170, 118423216), (272, 74014510), (314, 64114480), (340, 59211608), (544, 37007255), (628, 32057240), (680, 29605804), (785, 25645792), (1256, 16028620), (1360, 14802902), (1570, 12822896), (2512, 8014310), (2669, 7542880), (2720, 7401451), (3140, 6411448), (5024, 4007155), (5338, 3771440), (6280, 3205724), (10676, 1885720), (12560, 1602862), (13345, 1508576), (21352, 942860), (25120, 801431), (26690, 754288), (42704, 471430), (47143, 427040), (53380, 377144), (85408, 235715), (94286, 213520), (106760, 188572)]