20438962215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{13913}}^1$

素因数の和:14768

約数の個数: 64

約数和(自身を含む): 39623510016

約数和(自身を除く): 19184547801

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 823, 1785, 2469, 4115, 5761, 12345, 13913, 13991, 17283, 28805, 41739, 41973, 69565, 69955, 86415, 97391, 97937, 208695, 209865, 236521, 292173, 293811, 486955, 489685, 709563, 1182605, 1460865, 1469055, 1655647, 3547815, 4966941, 8278235, 11450399, 24834705, 34351197, 57251995, 80152793, 171755985, 194656783, 240458379, 400763965, 583970349, 973283915, 1202291895, 1362597481, 2919851745, 4087792443, 6812987405, 20438962215]

約数ペア:

[(1, 20438962215), (3, 6812987405), (5, 4087792443), (7, 2919851745), (15, 1362597481), (17, 1202291895), (21, 973283915), (35, 583970349), (51, 400763965), (85, 240458379), (105, 194656783), (119, 171755985), (255, 80152793), (357, 57251995), (595, 34351197), (823, 24834705), (1785, 11450399), (2469, 8278235), (4115, 4966941), (5761, 3547815), (12345, 1655647), (13913, 1469055), (13991, 1460865), (17283, 1182605), (28805, 709563), (41739, 489685), (41973, 486955), (69565, 293811), (69955, 292173), (86415, 236521), (97391, 209865), (97937, 208695)]