20555604

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 54442752

約数和(自身を除く): 33887148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 113, 124, 163, 186, 226, 279, 326, 339, 372, 452, 489, 558, 652, 678, 978, 1017, 1116, 1356, 1467, 1956, 2034, 2934, 3503, 4068, 5053, 5868, 7006, 10106, 10509, 14012, 15159, 18419, 20212, 21018, 30318, 31527, 36838, 42036, 45477, 55257, 60636, 63054, 73676, 90954, 110514, 126108, 165771, 181908, 221028, 331542, 570989, 663084, 1141978, 1712967, 2283956, 3425934, 5138901, 6851868, 10277802, 20555604]

約数ペア:

[(1, 20555604), (2, 10277802), (3, 6851868), (4, 5138901), (6, 3425934), (9, 2283956), (12, 1712967), (18, 1141978), (31, 663084), (36, 570989), (62, 331542), (93, 221028), (113, 181908), (124, 165771), (163, 126108), (186, 110514), (226, 90954), (279, 73676), (326, 63054), (339, 60636), (372, 55257), (452, 45477), (489, 42036), (558, 36838), (652, 31527), (678, 30318), (978, 21018), (1017, 20212), (1116, 18419), (1356, 15159), (1467, 14012), (1956, 10509), (2034, 10106), (2934, 7006), (3503, 5868), (4068, 5053)]