20833860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 62963712

約数和(自身を除く): 42129852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 31, 46, 60, 62, 69, 92, 93, 115, 124, 138, 155, 186, 230, 276, 310, 345, 372, 460, 465, 487, 620, 690, 713, 930, 974, 1380, 1426, 1461, 1860, 1948, 2139, 2435, 2852, 2922, 3565, 4278, 4870, 5844, 7130, 7305, 8556, 9740, 10695, 11201, 14260, 14610, 15097, 21390, 22402, 29220, 30194, 33603, 42780, 44804, 45291, 56005, 60388, 67206, 75485, 90582, 112010, 134412, 150970, 168015, 181164, 224020, 226455, 301940, 336030, 347231, 452910, 672060, 694462, 905820, 1041693, 1388924, 1736155, 2083386, 3472310, 4166772, 5208465, 6944620, 10416930, 20833860]

約数ペア:

[(1, 20833860), (2, 10416930), (3, 6944620), (4, 5208465), (5, 4166772), (6, 3472310), (10, 2083386), (12, 1736155), (15, 1388924), (20, 1041693), (23, 905820), (30, 694462), (31, 672060), (46, 452910), (60, 347231), (62, 336030), (69, 301940), (92, 226455), (93, 224020), (115, 181164), (124, 168015), (138, 150970), (155, 134412), (186, 112010), (230, 90582), (276, 75485), (310, 67206), (345, 60388), (372, 56005), (460, 45291), (465, 44804), (487, 42780), (620, 33603), (690, 30194), (713, 29220), (930, 22402), (974, 21390), (1380, 15097), (1426, 14610), (1461, 14260), (1860, 11201), (1948, 10695), (2139, 9740), (2435, 8556), (2852, 7305), (2922, 7130), (3565, 5844), (4278, 4870)]