20218704

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 57585600

約数和(自身を除く): 37366896

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 149, 176, 257, 264, 298, 447, 514, 528, 596, 771, 894, 1028, 1192, 1542, 1639, 1788, 2056, 2384, 2827, 3084, 3278, 3576, 4112, 4917, 5654, 6168, 6556, 7152, 8481, 9834, 11308, 12336, 13112, 16962, 19668, 22616, 26224, 33924, 38293, 39336, 45232, 67848, 76586, 78672, 114879, 135696, 153172, 229758, 306344, 421223, 459516, 612688, 842446, 919032, 1263669, 1684892, 1838064, 2527338, 3369784, 5054676, 6739568, 10109352, 20218704]

約数ペア:

[(1, 20218704), (2, 10109352), (3, 6739568), (4, 5054676), (6, 3369784), (8, 2527338), (11, 1838064), (12, 1684892), (16, 1263669), (22, 919032), (24, 842446), (33, 612688), (44, 459516), (48, 421223), (66, 306344), (88, 229758), (132, 153172), (149, 135696), (176, 114879), (257, 78672), (264, 76586), (298, 67848), (447, 45232), (514, 39336), (528, 38293), (596, 33924), (771, 26224), (894, 22616), (1028, 19668), (1192, 16962), (1542, 13112), (1639, 12336), (1788, 11308), (2056, 9834), (2384, 8481), (2827, 7152), (3084, 6556), (3278, 6168), (3576, 5654), (4112, 4917)]