20808212658

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1\times {\mathrm{1093}}^1$

素因数の和:1739

約数の個数: 64

約数和(自身を含む): 42857983872

約数和(自身を除く): 22049771214

約数列:

[1, 2, 3, 6, 53, 106, 131, 159, 262, 318, 393, 457, 786, 914, 1093, 1371, 2186, 2742, 3279, 6558, 6943, 13886, 20829, 24221, 41658, 48442, 57929, 59867, 72663, 115858, 119734, 143183, 145326, 173787, 179601, 286366, 347574, 359202, 429549, 499501, 859098, 999002, 1498503, 2997006, 3172951, 6345902, 7588699, 9518853, 15177398, 19037706, 22766097, 26473553, 45532194, 52947106, 65434631, 79420659, 130869262, 158841318, 196303893, 392607786, 3468035443, 6936070886, 10404106329, 20808212658]

約数ペア:

[(1, 20808212658), (2, 10404106329), (3, 6936070886), (6, 3468035443), (53, 392607786), (106, 196303893), (131, 158841318), (159, 130869262), (262, 79420659), (318, 65434631), (393, 52947106), (457, 45532194), (786, 26473553), (914, 22766097), (1093, 19037706), (1371, 15177398), (2186, 9518853), (2742, 7588699), (3279, 6345902), (6558, 3172951), (6943, 2997006), (13886, 1498503), (20829, 999002), (24221, 859098), (41658, 499501), (48442, 429549), (57929, 359202), (59867, 347574), (72663, 286366), (115858, 179601), (119734, 173787), (143183, 145326)]