20165688

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{14741}}^1$

素因数の和:14772

約数の個数: 48

約数和(自身を含む): 57493800

約数和(自身を除く): 37328112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 14741, 29482, 44223, 58964, 88446, 117928, 132669, 176892, 265338, 280079, 353784, 530676, 560158, 840237, 1061352, 1120316, 1680474, 2240632, 2520711, 3360948, 5041422, 6721896, 10082844, 20165688]

約数ペア:

[(1, 20165688), (2, 10082844), (3, 6721896), (4, 5041422), (6, 3360948), (8, 2520711), (9, 2240632), (12, 1680474), (18, 1120316), (19, 1061352), (24, 840237), (36, 560158), (38, 530676), (57, 353784), (72, 280079), (76, 265338), (114, 176892), (152, 132669), (171, 117928), (228, 88446), (342, 58964), (456, 44223), (684, 29482), (1368, 14741)]