20652468

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 51072000

約数和(自身を除く): 30419532

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 239, 379, 478, 717, 758, 956, 1137, 1434, 1516, 2274, 2868, 4541, 4548, 7201, 9082, 13623, 14402, 18164, 21603, 27246, 28804, 43206, 54492, 86412, 90581, 181162, 271743, 362324, 543486, 1086972, 1721039, 3442078, 5163117, 6884156, 10326234, 20652468]

約数ペア:

[(1, 20652468), (2, 10326234), (3, 6884156), (4, 5163117), (6, 3442078), (12, 1721039), (19, 1086972), (38, 543486), (57, 362324), (76, 271743), (114, 181162), (228, 90581), (239, 86412), (379, 54492), (478, 43206), (717, 28804), (758, 27246), (956, 21603), (1137, 18164), (1434, 14402), (1516, 13623), (2274, 9082), (2868, 7201), (4541, 4548)]