20199756395

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{16091}}^1$

素因数の和:16236

約数の個数: 64

約数和(自身を含む): 31143813120

約数和(自身を除く): 10944056725

約数列:

[1, 5, 7, 13, 31, 35, 65, 89, 91, 155, 217, 403, 445, 455, 623, 1085, 1157, 2015, 2759, 2821, 3115, 5785, 8099, 13795, 14105, 16091, 19313, 35867, 40495, 80455, 96565, 112637, 179335, 209183, 251069, 498821, 563185, 1045915, 1255345, 1432099, 1464281, 2494105, 3491747, 6484673, 7160495, 7321405, 10024693, 17458735, 18617287, 32423365, 44395069, 45392711, 50123465, 93086435, 130321009, 221975345, 226963555, 310765483, 577135897, 651605045, 1553827415, 2885679485, 4039951279, 20199756395]

約数ペア:

[(1, 20199756395), (5, 4039951279), (7, 2885679485), (13, 1553827415), (31, 651605045), (35, 577135897), (65, 310765483), (89, 226963555), (91, 221975345), (155, 130321009), (217, 93086435), (403, 50123465), (445, 45392711), (455, 44395069), (623, 32423365), (1085, 18617287), (1157, 17458735), (2015, 10024693), (2759, 7321405), (2821, 7160495), (3115, 6484673), (5785, 3491747), (8099, 2494105), (13795, 1464281), (14105, 1432099), (16091, 1255345), (19313, 1045915), (35867, 563185), (40495, 498821), (80455, 251069), (96565, 209183), (112637, 179335)]