20123584418

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:460

約数の個数: 96

約数和(自身を含む): 37474544640

約数和(自身を除く): 17350960222

約数列:

[1, 2, 7, 14, 19, 38, 59, 103, 118, 133, 206, 211, 266, 413, 422, 721, 826, 1121, 1442, 1477, 1957, 2242, 2954, 3481, 3914, 4009, 6077, 6962, 7847, 8018, 12154, 12449, 13699, 15694, 21733, 24367, 24898, 27398, 28063, 42539, 43466, 48734, 56126, 66139, 85078, 87143, 115463, 132278, 152131, 174286, 230926, 236531, 304262, 358543, 412927, 462973, 473062, 717086, 734491, 808241, 825854, 925946, 1282247, 1468982, 1616482, 1655717, 2509801, 2564494, 2890489, 3311434, 5019602, 5141437, 5780978, 6812317, 8975729, 10282874, 13624634, 13955329, 17951458, 24362693, 27910658, 47686219, 48725386, 75652573, 95372438, 97687303, 151305146, 170538851, 195374606, 341077702, 529568011, 1059136022, 1437398887, 2874797774, 10061792209, 20123584418]

約数ペア:

[(1, 20123584418), (2, 10061792209), (7, 2874797774), (14, 1437398887), (19, 1059136022), (38, 529568011), (59, 341077702), (103, 195374606), (118, 170538851), (133, 151305146), (206, 97687303), (211, 95372438), (266, 75652573), (413, 48725386), (422, 47686219), (721, 27910658), (826, 24362693), (1121, 17951458), (1442, 13955329), (1477, 13624634), (1957, 10282874), (2242, 8975729), (2954, 6812317), (3481, 5780978), (3914, 5141437), (4009, 5019602), (6077, 3311434), (6962, 2890489), (7847, 2564494), (8018, 2509801), (12154, 1655717), (12449, 1616482), (13699, 1468982), (15694, 1282247), (21733, 925946), (24367, 825854), (24898, 808241), (27398, 734491), (28063, 717086), (42539, 473062), (43466, 462973), (48734, 412927), (56126, 358543), (66139, 304262), (85078, 236531), (87143, 230926), (115463, 174286), (132278, 152131)]