20378358

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:84

約数の個数: 192

約数和(自身を含む): 63244800

約数和(自身を除く): 42866442

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 27, 29, 33, 39, 42, 54, 58, 63, 66, 77, 78, 87, 91, 99, 117, 126, 143, 154, 169, 174, 182, 189, 198, 203, 231, 234, 261, 273, 286, 297, 319, 338, 351, 377, 378, 406, 429, 462, 507, 522, 546, 594, 609, 638, 693, 702, 754, 783, 819, 858, 957, 1001, 1014, 1131, 1183, 1218, 1287, 1386, 1521, 1566, 1638, 1827, 1859, 1914, 2002, 2079, 2233, 2262, 2366, 2457, 2574, 2639, 2871, 3003, 3042, 3393, 3549, 3654, 3718, 3861, 4147, 4158, 4466, 4563, 4901, 4914, 5278, 5481, 5577, 5742, 6006, 6699, 6786, 7098, 7722, 7917, 8294, 8613, 9009, 9126, 9802, 10179, 10647, 10962, 11154, 12441, 13013, 13398, 14703, 15834, 16731, 17226, 18018, 20097, 20358, 21294, 23751, 24882, 26026, 27027, 29029, 29406, 31941, 33462, 34307, 37323, 39039, 40194, 44109, 47502, 50193, 53911, 54054, 58058, 60291, 63882, 68614, 71253, 74646, 78078, 87087, 88218, 100386, 102921, 107822, 111969, 117117, 120582, 132327, 142506, 161733, 174174, 205842, 223938, 234234, 261261, 264654, 308763, 323466, 351351, 377377, 485199, 522522, 617526, 702702, 754754, 783783, 926289, 970398, 1132131, 1455597, 1567566, 1852578, 2264262, 2911194, 3396393, 6792786, 10189179, 20378358]

約数ペア:

[(1, 20378358), (2, 10189179), (3, 6792786), (6, 3396393), (7, 2911194), (9, 2264262), (11, 1852578), (13, 1567566), (14, 1455597), (18, 1132131), (21, 970398), (22, 926289), (26, 783783), (27, 754754), (29, 702702), (33, 617526), (39, 522522), (42, 485199), (54, 377377), (58, 351351), (63, 323466), (66, 308763), (77, 264654), (78, 261261), (87, 234234), (91, 223938), (99, 205842), (117, 174174), (126, 161733), (143, 142506), (154, 132327), (169, 120582), (174, 117117), (182, 111969), (189, 107822), (198, 102921), (203, 100386), (231, 88218), (234, 87087), (261, 78078), (273, 74646), (286, 71253), (297, 68614), (319, 63882), (338, 60291), (351, 58058), (377, 54054), (378, 53911), (406, 50193), (429, 47502), (462, 44109), (507, 40194), (522, 39039), (546, 37323), (594, 34307), (609, 33462), (638, 31941), (693, 29406), (702, 29029), (754, 27027), (783, 26026), (819, 24882), (858, 23751), (957, 21294), (1001, 20358), (1014, 20097), (1131, 18018), (1183, 17226), (1218, 16731), (1287, 15834), (1386, 14703), (1521, 13398), (1566, 13013), (1638, 12441), (1827, 11154), (1859, 10962), (1914, 10647), (2002, 10179), (2079, 9802), (2233, 9126), (2262, 9009), (2366, 8613), (2457, 8294), (2574, 7917), (2639, 7722), (2871, 7098), (3003, 6786), (3042, 6699), (3393, 6006), (3549, 5742), (3654, 5577), (3718, 5481), (3861, 5278), (4147, 4914), (4158, 4901), (4466, 4563)]