20924086528

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{23767}}^1$

素因数の和:23983

約数の個数: 72

約数和(自身を含む): 44209430720

約数和(自身を除く): 23285344192

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 181, 256, 304, 362, 608, 724, 1216, 1448, 2432, 2896, 3439, 4864, 5792, 6878, 11584, 13756, 23168, 23767, 27512, 46336, 47534, 55024, 95068, 110048, 190136, 220096, 380272, 440192, 451573, 760544, 880384, 903146, 1521088, 1806292, 3042176, 3612584, 4301827, 6084352, 7225168, 8603654, 14450336, 17207308, 28900672, 34414616, 57801344, 68829232, 81734713, 115602688, 137658464, 163469426, 275316928, 326938852, 550633856, 653877704, 1101267712, 1307755408, 2615510816, 5231021632, 10462043264, 20924086528]

約数ペア:

[(1, 20924086528), (2, 10462043264), (4, 5231021632), (8, 2615510816), (16, 1307755408), (19, 1101267712), (32, 653877704), (38, 550633856), (64, 326938852), (76, 275316928), (128, 163469426), (152, 137658464), (181, 115602688), (256, 81734713), (304, 68829232), (362, 57801344), (608, 34414616), (724, 28900672), (1216, 17207308), (1448, 14450336), (2432, 8603654), (2896, 7225168), (3439, 6084352), (4864, 4301827), (5792, 3612584), (6878, 3042176), (11584, 1806292), (13756, 1521088), (23168, 903146), (23767, 880384), (27512, 760544), (46336, 451573), (47534, 440192), (55024, 380272), (95068, 220096), (110048, 190136)]