20161976608

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{553171}}^1$

素因数の和:553265

約数の個数: 48

約数和(自身を含む): 42656199264

約数和(自身を除く): 22494222656

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 67, 68, 134, 136, 268, 272, 536, 544, 1072, 1139, 2144, 2278, 4556, 9112, 18224, 36448, 553171, 1106342, 2212684, 4425368, 8850736, 9403907, 17701472, 18807814, 37062457, 37615628, 74124914, 75231256, 148249828, 150462512, 296499656, 300925024, 592999312, 630061769, 1185998624, 1260123538, 2520247076, 5040494152, 10080988304, 20161976608]

約数ペア:

[(1, 20161976608), (2, 10080988304), (4, 5040494152), (8, 2520247076), (16, 1260123538), (17, 1185998624), (32, 630061769), (34, 592999312), (67, 300925024), (68, 296499656), (134, 150462512), (136, 148249828), (268, 75231256), (272, 74124914), (536, 37615628), (544, 37062457), (1072, 18807814), (1139, 17701472), (2144, 9403907), (2278, 8850736), (4556, 4425368), (9112, 2212684), (18224, 1106342), (36448, 553171)]