20199942

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:447

約数の個数: 80

約数和(自身を含む): 52968960

約数和(自身を除く): 32769018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 54, 63, 81, 94, 126, 141, 162, 189, 282, 329, 378, 379, 423, 567, 658, 758, 846, 987, 1134, 1137, 1269, 1974, 2274, 2538, 2653, 2961, 3411, 3807, 5306, 5922, 6822, 7614, 7959, 8883, 10233, 15918, 17766, 17813, 20466, 23877, 26649, 30699, 35626, 47754, 53298, 53439, 61398, 71631, 106878, 124691, 143262, 160317, 214893, 249382, 320634, 374073, 429786, 480951, 748146, 961902, 1122219, 1442853, 2244438, 2885706, 3366657, 6733314, 10099971, 20199942]

約数ペア:

[(1, 20199942), (2, 10099971), (3, 6733314), (6, 3366657), (7, 2885706), (9, 2244438), (14, 1442853), (18, 1122219), (21, 961902), (27, 748146), (42, 480951), (47, 429786), (54, 374073), (63, 320634), (81, 249382), (94, 214893), (126, 160317), (141, 143262), (162, 124691), (189, 106878), (282, 71631), (329, 61398), (378, 53439), (379, 53298), (423, 47754), (567, 35626), (658, 30699), (758, 26649), (846, 23877), (987, 20466), (1134, 17813), (1137, 17766), (1269, 15918), (1974, 10233), (2274, 8883), (2538, 7959), (2653, 7614), (2961, 6822), (3411, 5922), (3807, 5306)]