20508159760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1013249}}^1$

素因数の和:1013296

約数の個数: 80

約数和(自身を含む): 54277776000

約数和(自身を除く): 33769616240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 5060, 10120, 20240, 1013249, 2026498, 4052996, 5066245, 8105992, 10132490, 11145739, 16211984, 20264980, 22291478, 23304727, 40529960, 44582956, 46609454, 55728695, 81059920, 89165912, 93218908, 111457390, 116523635, 178331824, 186437816, 222914780, 233047270, 256351997, 372875632, 445829560, 466094540, 512703994, 891659120, 932189080, 1025407988, 1281759985, 1864378160, 2050815976, 2563519970, 4101631952, 5127039940, 10254079880, 20508159760]

約数ペア:

[(1, 20508159760), (2, 10254079880), (4, 5127039940), (5, 4101631952), (8, 2563519970), (10, 2050815976), (11, 1864378160), (16, 1281759985), (20, 1025407988), (22, 932189080), (23, 891659120), (40, 512703994), (44, 466094540), (46, 445829560), (55, 372875632), (80, 256351997), (88, 233047270), (92, 222914780), (110, 186437816), (115, 178331824), (176, 116523635), (184, 111457390), (220, 93218908), (230, 89165912), (253, 81059920), (368, 55728695), (440, 46609454), (460, 44582956), (506, 40529960), (880, 23304727), (920, 22291478), (1012, 20264980), (1265, 16211984), (1840, 11145739), (2024, 10132490), (2530, 8105992), (4048, 5066245), (5060, 4052996), (10120, 2026498), (20240, 1013249)]