20123157813

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{4813}}^1$

素因数の和:4986

約数の個数: 64

約数和(自身を含む): 31174385664

約数和(自身を除く): 11051227851

約数列:

[1, 3, 11, 31, 33, 61, 67, 93, 183, 201, 341, 671, 737, 1023, 1891, 2013, 2077, 2211, 4087, 4813, 5673, 6231, 12261, 14439, 20801, 22847, 44957, 52943, 62403, 68541, 126697, 134871, 149203, 158829, 293593, 322471, 380091, 447609, 880779, 967413, 1393667, 1641233, 3229523, 3547181, 4181001, 4923699, 9101383, 9688569, 9996601, 10641543, 19670731, 27304149, 29989803, 59012193, 100115213, 109962611, 216378041, 300345639, 329887833, 609792661, 649134123, 1829377983, 6707719271, 20123157813]

約数ペア:

[(1, 20123157813), (3, 6707719271), (11, 1829377983), (31, 649134123), (33, 609792661), (61, 329887833), (67, 300345639), (93, 216378041), (183, 109962611), (201, 100115213), (341, 59012193), (671, 29989803), (737, 27304149), (1023, 19670731), (1891, 10641543), (2013, 9996601), (2077, 9688569), (2211, 9101383), (4087, 4923699), (4813, 4181001), (5673, 3547181), (6231, 3229523), (12261, 1641233), (14439, 1393667), (20801, 967413), (22847, 880779), (44957, 447609), (52943, 380091), (62403, 322471), (68541, 293593), (126697, 158829), (134871, 149203)]