20694458

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 34344000

約数和(自身を除く): 13649542

約数列:

[1, 2, 19, 29, 38, 58, 89, 178, 211, 422, 551, 1102, 1691, 2581, 3382, 4009, 5162, 6119, 8018, 12238, 18779, 37558, 49039, 98078, 116261, 232522, 356801, 544591, 713602, 1089182, 10347229, 20694458]

約数ペア:

[(1, 20694458), (2, 10347229), (19, 1089182), (29, 713602), (38, 544591), (58, 356801), (89, 232522), (178, 116261), (211, 98078), (422, 49039), (551, 37558), (1102, 18779), (1691, 12238), (2581, 8018), (3382, 6119), (4009, 5162)]