20329218

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:238

約数の個数: 120

約数和(自身を含む): 57355452

約数和(自身を除く): 37026234

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 49, 54, 63, 78, 81, 91, 98, 117, 126, 147, 162, 182, 189, 197, 234, 273, 294, 351, 378, 394, 441, 546, 567, 591, 637, 702, 819, 882, 1053, 1134, 1182, 1274, 1323, 1379, 1638, 1773, 1911, 2106, 2457, 2561, 2646, 2758, 3546, 3822, 3969, 4137, 4914, 5122, 5319, 5733, 7371, 7683, 7938, 8274, 9653, 10638, 11466, 12411, 14742, 15366, 15957, 17199, 17927, 19306, 23049, 24822, 28959, 31914, 34398, 35854, 37233, 46098, 51597, 53781, 57918, 69147, 74466, 86877, 103194, 107562, 111699, 125489, 138294, 161343, 173754, 207441, 223398, 250978, 260631, 322686, 376467, 414882, 484029, 521262, 752934, 781893, 968058, 1129401, 1452087, 1563786, 2258802, 2904174, 3388203, 6776406, 10164609, 20329218]

約数ペア:

[(1, 20329218), (2, 10164609), (3, 6776406), (6, 3388203), (7, 2904174), (9, 2258802), (13, 1563786), (14, 1452087), (18, 1129401), (21, 968058), (26, 781893), (27, 752934), (39, 521262), (42, 484029), (49, 414882), (54, 376467), (63, 322686), (78, 260631), (81, 250978), (91, 223398), (98, 207441), (117, 173754), (126, 161343), (147, 138294), (162, 125489), (182, 111699), (189, 107562), (197, 103194), (234, 86877), (273, 74466), (294, 69147), (351, 57918), (378, 53781), (394, 51597), (441, 46098), (546, 37233), (567, 35854), (591, 34398), (637, 31914), (702, 28959), (819, 24822), (882, 23049), (1053, 19306), (1134, 17927), (1182, 17199), (1274, 15957), (1323, 15366), (1379, 14742), (1638, 12411), (1773, 11466), (1911, 10638), (2106, 9653), (2457, 8274), (2561, 7938), (2646, 7683), (2758, 7371), (3546, 5733), (3822, 5319), (3969, 5122), (4137, 4914)]