20320360892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{20047}}^1$

素因数の和:20358

約数の個数: 48

約数和(自身を含む): 38877562752

約数和(自身を除く): 18557201860

約数列:

[1, 2, 4, 13, 26, 52, 101, 193, 202, 386, 404, 772, 1313, 2509, 2626, 5018, 5252, 10036, 19493, 20047, 38986, 40094, 77972, 80188, 253409, 260611, 506818, 521222, 1013636, 1042444, 2024747, 3869071, 4049494, 7738142, 8098988, 15476284, 26321711, 50297923, 52643422, 100595846, 105286844, 201191692, 390776171, 781552342, 1563104684, 5080090223, 10160180446, 20320360892]

約数ペア:

[(1, 20320360892), (2, 10160180446), (4, 5080090223), (13, 1563104684), (26, 781552342), (52, 390776171), (101, 201191692), (193, 105286844), (202, 100595846), (386, 52643422), (404, 50297923), (772, 26321711), (1313, 15476284), (2509, 8098988), (2626, 7738142), (5018, 4049494), (5252, 3869071), (10036, 2024747), (19493, 1042444), (20047, 1013636), (38986, 521222), (40094, 506818), (77972, 260611), (80188, 253409)]