20765089660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{173}}^1\times {\mathrm{17497}}^1$

素因数の和:17700

約数の個数: 96

約数和(自身を含む): 51150153600

約数和(自身を除く): 30385063940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 173, 196, 245, 343, 346, 490, 686, 692, 865, 980, 1211, 1372, 1715, 1730, 2422, 3430, 3460, 4844, 6055, 6860, 8477, 12110, 16954, 17497, 24220, 33908, 34994, 42385, 59339, 69988, 84770, 87485, 118678, 122479, 169540, 174970, 237356, 244958, 296695, 349940, 489916, 593390, 612395, 857353, 1186780, 1224790, 1714706, 2449580, 3026981, 3429412, 4286765, 6001471, 6053962, 8573530, 12002942, 12107924, 15134905, 17147060, 21188867, 24005884, 30007355, 30269810, 42377734, 60014710, 60539620, 84755468, 105944335, 120029420, 148322069, 211888670, 296644138, 423777340, 593288276, 741610345, 1038254483, 1483220690, 2076508966, 2966441380, 4153017932, 5191272415, 10382544830, 20765089660]

約数ペア:

[(1, 20765089660), (2, 10382544830), (4, 5191272415), (5, 4153017932), (7, 2966441380), (10, 2076508966), (14, 1483220690), (20, 1038254483), (28, 741610345), (35, 593288276), (49, 423777340), (70, 296644138), (98, 211888670), (140, 148322069), (173, 120029420), (196, 105944335), (245, 84755468), (343, 60539620), (346, 60014710), (490, 42377734), (686, 30269810), (692, 30007355), (865, 24005884), (980, 21188867), (1211, 17147060), (1372, 15134905), (1715, 12107924), (1730, 12002942), (2422, 8573530), (3430, 6053962), (3460, 6001471), (4844, 4286765), (6055, 3429412), (6860, 3026981), (8477, 2449580), (12110, 1714706), (16954, 1224790), (17497, 1186780), (24220, 857353), (33908, 612395), (34994, 593390), (42385, 489916), (59339, 349940), (69988, 296695), (84770, 244958), (87485, 237356), (118678, 174970), (122479, 169540)]