20161243568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1229}}^1\times {\mathrm{1471}}^1$

素因数の和:2766

約数の個数: 80

約数和(自身を含む): 42432284160

約数和(自身を除く): 22271040592

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 136, 164, 272, 328, 656, 697, 1229, 1394, 1471, 2458, 2788, 2942, 4916, 5576, 5884, 9832, 11152, 11768, 19664, 20893, 23536, 25007, 41786, 50014, 50389, 60311, 83572, 100028, 100778, 120622, 167144, 200056, 201556, 241244, 334288, 400112, 403112, 482488, 806224, 856613, 964976, 1025287, 1713226, 1807859, 2050574, 3426452, 3615718, 4101148, 6852904, 7231436, 8202296, 13705808, 14462872, 16404592, 28925744, 30733603, 61467206, 74122219, 122934412, 148244438, 245868824, 296488876, 491737648, 592977752, 1185955504, 1260077723, 2520155446, 5040310892, 10080621784, 20161243568]

約数ペア:

[(1, 20161243568), (2, 10080621784), (4, 5040310892), (8, 2520155446), (16, 1260077723), (17, 1185955504), (34, 592977752), (41, 491737648), (68, 296488876), (82, 245868824), (136, 148244438), (164, 122934412), (272, 74122219), (328, 61467206), (656, 30733603), (697, 28925744), (1229, 16404592), (1394, 14462872), (1471, 13705808), (2458, 8202296), (2788, 7231436), (2942, 6852904), (4916, 4101148), (5576, 3615718), (5884, 3426452), (9832, 2050574), (11152, 1807859), (11768, 1713226), (19664, 1025287), (20893, 964976), (23536, 856613), (25007, 806224), (41786, 482488), (50014, 403112), (50389, 400112), (60311, 334288), (83572, 241244), (100028, 201556), (100778, 200056), (120622, 167144)]