20778858712

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{21673}}^1$

素因数の和:21836

約数の個数: 64

約数和(自身を含む): 41510044800

約数和(自身を除く): 20731186088

約数列:

[1, 2, 4, 8, 37, 41, 74, 79, 82, 148, 158, 164, 296, 316, 328, 632, 1517, 2923, 3034, 3239, 5846, 6068, 6478, 11692, 12136, 12956, 21673, 23384, 25912, 43346, 86692, 119843, 173384, 239686, 479372, 801901, 888593, 958744, 1603802, 1712167, 1777186, 3207604, 3424334, 3554372, 6415208, 6848668, 7108744, 13697336, 32877941, 63350179, 65755882, 70198847, 126700358, 131511764, 140397694, 253400716, 263023528, 280795388, 506801432, 561590776, 2597357339, 5194714678, 10389429356, 20778858712]

約数ペア:

[(1, 20778858712), (2, 10389429356), (4, 5194714678), (8, 2597357339), (37, 561590776), (41, 506801432), (74, 280795388), (79, 263023528), (82, 253400716), (148, 140397694), (158, 131511764), (164, 126700358), (296, 70198847), (316, 65755882), (328, 63350179), (632, 32877941), (1517, 13697336), (2923, 7108744), (3034, 6848668), (3239, 6415208), (5846, 3554372), (6068, 3424334), (6478, 3207604), (11692, 1777186), (12136, 1712167), (12956, 1603802), (21673, 958744), (23384, 888593), (25912, 801901), (43346, 479372), (86692, 239686), (119843, 173384)]