20423632

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1$

素因数の和:200

約数の個数: 60

約数和(自身を含む): 43886080

約数和(自身を除く): 23462448

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 127, 152, 184, 254, 304, 368, 437, 508, 529, 874, 1016, 1058, 1748, 2032, 2116, 2413, 2921, 3496, 4232, 4826, 5842, 6992, 8464, 9652, 10051, 11684, 19304, 20102, 23368, 38608, 40204, 46736, 55499, 67183, 80408, 110998, 134366, 160816, 221996, 268732, 443992, 537464, 887984, 1074928, 1276477, 2552954, 5105908, 10211816, 20423632]

約数ペア:

[(1, 20423632), (2, 10211816), (4, 5105908), (8, 2552954), (16, 1276477), (19, 1074928), (23, 887984), (38, 537464), (46, 443992), (76, 268732), (92, 221996), (127, 160816), (152, 134366), (184, 110998), (254, 80408), (304, 67183), (368, 55499), (437, 46736), (508, 40204), (529, 38608), (874, 23368), (1016, 20102), (1058, 19304), (1748, 11684), (2032, 10051), (2116, 9652), (2413, 8464), (2921, 6992), (3496, 5842), (4232, 4826)]