20177887758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{28517}}^1$

素因数の和:29537

約数の個数: 64

約数和(自身を含む): 48884871168

約数和(自身を除く): 28706983410

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 991, 1982, 2973, 5946, 6937, 13874, 16847, 20811, 28517, 33694, 41622, 50541, 57034, 85551, 101082, 117929, 171102, 199619, 235858, 353787, 399238, 484789, 598857, 707574, 969578, 1197714, 1454367, 2908734, 3393523, 6787046, 10180569, 20361138, 28260347, 56520694, 84781041, 169562082, 197822429, 395644858, 480425899, 593467287, 960851798, 1186934574, 1441277697, 2882555394, 3362981293, 6725962586, 10088943879, 20177887758]

約数ペア:

[(1, 20177887758), (2, 10088943879), (3, 6725962586), (6, 3362981293), (7, 2882555394), (14, 1441277697), (17, 1186934574), (21, 960851798), (34, 593467287), (42, 480425899), (51, 395644858), (102, 197822429), (119, 169562082), (238, 84781041), (357, 56520694), (714, 28260347), (991, 20361138), (1982, 10180569), (2973, 6787046), (5946, 3393523), (6937, 2908734), (13874, 1454367), (16847, 1197714), (20811, 969578), (28517, 707574), (33694, 598857), (41622, 484789), (50541, 399238), (57034, 353787), (85551, 235858), (101082, 199619), (117929, 171102)]