20138292812

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{8521}}^1$

素因数の和:8823

約数の個数: 72

約数和(自身を含む): 40939347120

約数和(自身を除く): 20801054308

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 257, 418, 484, 514, 836, 1028, 2299, 2827, 4598, 4883, 5654, 8521, 9196, 9766, 11308, 17042, 19532, 31097, 34084, 53713, 62194, 93731, 107426, 124388, 161899, 187462, 214852, 323798, 374924, 590843, 647596, 1031041, 1181686, 1780889, 2062082, 2189897, 2363372, 3561778, 4124164, 4379794, 7123556, 8759588, 19589779, 24088867, 39179558, 41608043, 48177734, 78359116, 83216086, 96355468, 166432172, 264977537, 457688473, 529955074, 915376946, 1059910148, 1830753892, 5034573203, 10069146406, 20138292812]

約数ペア:

[(1, 20138292812), (2, 10069146406), (4, 5034573203), (11, 1830753892), (19, 1059910148), (22, 915376946), (38, 529955074), (44, 457688473), (76, 264977537), (121, 166432172), (209, 96355468), (242, 83216086), (257, 78359116), (418, 48177734), (484, 41608043), (514, 39179558), (836, 24088867), (1028, 19589779), (2299, 8759588), (2827, 7123556), (4598, 4379794), (4883, 4124164), (5654, 3561778), (8521, 2363372), (9196, 2189897), (9766, 2062082), (11308, 1780889), (17042, 1181686), (19532, 1031041), (31097, 647596), (34084, 590843), (53713, 374924), (62194, 323798), (93731, 214852), (107426, 187462), (124388, 161899)]