20293330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 40135680

約数和(自身を除く): 19842350

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 127, 145, 190, 254, 290, 551, 635, 841, 1102, 1270, 1682, 2413, 2755, 3683, 4205, 4826, 5510, 7366, 8410, 12065, 15979, 18415, 24130, 31958, 36830, 69977, 79895, 106807, 139954, 159790, 213614, 349885, 534035, 699770, 1068070, 2029333, 4058666, 10146665, 20293330]

約数ペア:

[(1, 20293330), (2, 10146665), (5, 4058666), (10, 2029333), (19, 1068070), (29, 699770), (38, 534035), (58, 349885), (95, 213614), (127, 159790), (145, 139954), (190, 106807), (254, 79895), (290, 69977), (551, 36830), (635, 31958), (841, 24130), (1102, 18415), (1270, 15979), (1682, 12065), (2413, 8410), (2755, 7366), (3683, 5510), (4205, 4826)]