20163742956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{358811}}^1$

素因数の和:359051

約数の個数: 72

約数和(自身を含む): 58512190464

約数和(自身を除く): 38348447508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 223, 252, 446, 669, 892, 1338, 1561, 2007, 2676, 3122, 4014, 4683, 6244, 8028, 9366, 14049, 18732, 28098, 56196, 358811, 717622, 1076433, 1435244, 2152866, 2511677, 3229299, 4305732, 5023354, 6458598, 7535031, 10046708, 12917196, 15070062, 22605093, 30140124, 45210186, 80014853, 90420372, 160029706, 240044559, 320059412, 480089118, 560103971, 720133677, 960178236, 1120207942, 1440267354, 1680311913, 2240415884, 2880534708, 3360623826, 5040935739, 6721247652, 10081871478, 20163742956]

約数ペア:

[(1, 20163742956), (2, 10081871478), (3, 6721247652), (4, 5040935739), (6, 3360623826), (7, 2880534708), (9, 2240415884), (12, 1680311913), (14, 1440267354), (18, 1120207942), (21, 960178236), (28, 720133677), (36, 560103971), (42, 480089118), (63, 320059412), (84, 240044559), (126, 160029706), (223, 90420372), (252, 80014853), (446, 45210186), (669, 30140124), (892, 22605093), (1338, 15070062), (1561, 12917196), (2007, 10046708), (2676, 7535031), (3122, 6458598), (4014, 5023354), (4683, 4305732), (6244, 3229299), (8028, 2511677), (9366, 2152866), (14049, 1435244), (18732, 1076433), (28098, 717622), (56196, 358811)]