20512382950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{52201}}^1$

素因数の和:52513

約数の個数: 48

約数和(自身を含む): 39615053760

約数和(自身を除く): 19102670810

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 271, 290, 542, 725, 1355, 1450, 2710, 6775, 7859, 13550, 15718, 39295, 52201, 78590, 104402, 196475, 261005, 392950, 522010, 1305025, 1513829, 2610050, 3027658, 7569145, 14146471, 15138290, 28292942, 37845725, 70732355, 75691450, 141464710, 353661775, 410247659, 707323550, 820495318, 2051238295, 4102476590, 10256191475, 20512382950]

約数ペア:

[(1, 20512382950), (2, 10256191475), (5, 4102476590), (10, 2051238295), (25, 820495318), (29, 707323550), (50, 410247659), (58, 353661775), (145, 141464710), (271, 75691450), (290, 70732355), (542, 37845725), (725, 28292942), (1355, 15138290), (1450, 14146471), (2710, 7569145), (6775, 3027658), (7859, 2610050), (13550, 1513829), (15718, 1305025), (39295, 522010), (52201, 392950), (78590, 261005), (104402, 196475)]