20945442

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{373}}^1$

素因数の和:583

約数の個数: 48

約数和(自身を含む): 49116672

約数和(自身を除く): 28171230

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 191, 294, 373, 382, 573, 746, 1119, 1146, 1337, 2238, 2611, 2674, 4011, 5222, 7833, 8022, 9359, 15666, 18277, 18718, 28077, 36554, 54831, 56154, 71243, 109662, 142486, 213729, 427458, 498701, 997402, 1496103, 2992206, 3490907, 6981814, 10472721, 20945442]

約数ペア:

[(1, 20945442), (2, 10472721), (3, 6981814), (6, 3490907), (7, 2992206), (14, 1496103), (21, 997402), (42, 498701), (49, 427458), (98, 213729), (147, 142486), (191, 109662), (294, 71243), (373, 56154), (382, 54831), (573, 36554), (746, 28077), (1119, 18718), (1146, 18277), (1337, 15666), (2238, 9359), (2611, 8022), (2674, 7833), (4011, 5222)]