20238427744

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{659}}^1\times {\mathrm{15733}}^1$

素因数の和:16463

約数の個数: 48

約数和(自身を含む): 40561622640

約数和(自身を除く): 20323194896

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 659, 976, 1318, 1952, 2636, 5272, 10544, 15733, 21088, 31466, 40199, 62932, 80398, 125864, 160796, 251728, 321592, 503456, 643184, 959713, 1286368, 1919426, 3838852, 7677704, 10368047, 15355408, 20736094, 30710816, 41472188, 82944376, 165888752, 331777504, 632450867, 1264901734, 2529803468, 5059606936, 10119213872, 20238427744]

約数ペア:

[(1, 20238427744), (2, 10119213872), (4, 5059606936), (8, 2529803468), (16, 1264901734), (32, 632450867), (61, 331777504), (122, 165888752), (244, 82944376), (488, 41472188), (659, 30710816), (976, 20736094), (1318, 15355408), (1952, 10368047), (2636, 7677704), (5272, 3838852), (10544, 1919426), (15733, 1286368), (21088, 959713), (31466, 643184), (40199, 503456), (62932, 321592), (80398, 251728), (125864, 160796)]