20785535718

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{281}}^2\times {\mathrm{601}}^1$

素因数の和:1241

約数の個数: 48

約数和(自身を含む): 42361405968

約数和(自身を除く): 21575870250

約数列:

[1, 2, 3, 6, 73, 146, 219, 281, 438, 562, 601, 843, 1202, 1686, 1803, 3606, 20513, 41026, 43873, 61539, 78961, 87746, 123078, 131619, 157922, 168881, 236883, 263238, 337762, 473766, 506643, 1013286, 5764153, 11528306, 12328313, 17292459, 24656626, 34584918, 36984939, 47455561, 73969878, 94911122, 142366683, 284733366, 3464255953, 6928511906, 10392767859, 20785535718]

約数ペア:

[(1, 20785535718), (2, 10392767859), (3, 6928511906), (6, 3464255953), (73, 284733366), (146, 142366683), (219, 94911122), (281, 73969878), (438, 47455561), (562, 36984939), (601, 34584918), (843, 24656626), (1202, 17292459), (1686, 12328313), (1803, 11528306), (3606, 5764153), (20513, 1013286), (41026, 506643), (43873, 473766), (61539, 337762), (78961, 263238), (87746, 236883), (123078, 168881), (131619, 157922)]