20081070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 55598400

約数和(自身を除く): 35517330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 89, 90, 109, 115, 138, 178, 207, 218, 230, 267, 327, 345, 414, 445, 534, 545, 654, 690, 801, 890, 981, 1035, 1090, 1335, 1602, 1635, 1962, 2047, 2070, 2507, 2670, 3270, 4005, 4094, 4905, 5014, 6141, 7521, 8010, 9701, 9810, 10235, 12282, 12535, 15042, 18423, 19402, 20470, 22563, 25070, 29103, 30705, 36846, 37605, 45126, 48505, 58206, 61410, 75210, 87309, 92115, 97010, 112815, 145515, 174618, 184230, 223123, 225630, 291030, 436545, 446246, 669369, 873090, 1115615, 1338738, 2008107, 2231230, 3346845, 4016214, 6693690, 10040535, 20081070]

約数ペア:

[(1, 20081070), (2, 10040535), (3, 6693690), (5, 4016214), (6, 3346845), (9, 2231230), (10, 2008107), (15, 1338738), (18, 1115615), (23, 873090), (30, 669369), (45, 446246), (46, 436545), (69, 291030), (89, 225630), (90, 223123), (109, 184230), (115, 174618), (138, 145515), (178, 112815), (207, 97010), (218, 92115), (230, 87309), (267, 75210), (327, 61410), (345, 58206), (414, 48505), (445, 45126), (534, 37605), (545, 36846), (654, 30705), (690, 29103), (801, 25070), (890, 22563), (981, 20470), (1035, 19402), (1090, 18423), (1335, 15042), (1602, 12535), (1635, 12282), (1962, 10235), (2047, 9810), (2070, 9701), (2507, 8010), (2670, 7521), (3270, 6141), (4005, 5014), (4094, 4905)]