20152158904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1\times {\mathrm{3617}}^1$

素因数の和:4288

約数の個数: 64

約数和(自身を含む): 40653005760

約数和(自身を除く): 20500846856

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 577, 1154, 1207, 2308, 2414, 3617, 4616, 4828, 7234, 9656, 9809, 14468, 19618, 28936, 39236, 40967, 61489, 78472, 81934, 122978, 163868, 245956, 256807, 327736, 491912, 513614, 696439, 1027228, 1392878, 2054456, 2087009, 2785756, 4174018, 4365719, 5571512, 8348036, 8731438, 16696072, 17462876, 34925752, 35479153, 70958306, 141916612, 148177639, 283833224, 296355278, 592710556, 1185421112, 2519019863, 5038039726, 10076079452, 20152158904]

約数ペア:

[(1, 20152158904), (2, 10076079452), (4, 5038039726), (8, 2519019863), (17, 1185421112), (34, 592710556), (68, 296355278), (71, 283833224), (136, 148177639), (142, 141916612), (284, 70958306), (568, 35479153), (577, 34925752), (1154, 17462876), (1207, 16696072), (2308, 8731438), (2414, 8348036), (3617, 5571512), (4616, 4365719), (4828, 4174018), (7234, 2785756), (9656, 2087009), (9809, 2054456), (14468, 1392878), (19618, 1027228), (28936, 696439), (39236, 513614), (40967, 491912), (61489, 327736), (78472, 256807), (81934, 245956), (122978, 163868)]