20153646592

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{55207}}^1$

素因数の和:55279

約数の個数: 80

約数和(自身を含む): 43374938112

約数和(自身を除く): 23221291520

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 248, 256, 368, 496, 512, 713, 736, 992, 1426, 1472, 1984, 2852, 2944, 3968, 5704, 5888, 7936, 11408, 11776, 15872, 22816, 45632, 55207, 91264, 110414, 182528, 220828, 365056, 441656, 883312, 1269761, 1711417, 1766624, 2539522, 3422834, 3533248, 5079044, 6845668, 7066496, 10158088, 13691336, 14132992, 20316176, 27382672, 28265984, 39362591, 40632352, 54765344, 78725182, 81264704, 109530688, 157450364, 162529408, 219061376, 314900728, 325058816, 438122752, 629801456, 650117632, 876245504, 1259602912, 2519205824, 5038411648, 10076823296, 20153646592]

約数ペア:

[(1, 20153646592), (2, 10076823296), (4, 5038411648), (8, 2519205824), (16, 1259602912), (23, 876245504), (31, 650117632), (32, 629801456), (46, 438122752), (62, 325058816), (64, 314900728), (92, 219061376), (124, 162529408), (128, 157450364), (184, 109530688), (248, 81264704), (256, 78725182), (368, 54765344), (496, 40632352), (512, 39362591), (713, 28265984), (736, 27382672), (992, 20316176), (1426, 14132992), (1472, 13691336), (1984, 10158088), (2852, 7066496), (2944, 6845668), (3968, 5079044), (5704, 3533248), (5888, 3422834), (7936, 2539522), (11408, 1766624), (11776, 1711417), (15872, 1269761), (22816, 883312), (45632, 441656), (55207, 365056), (91264, 220828), (110414, 182528)]