20030724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{787}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 58513728

約数和(自身を除く): 38483004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 787, 909, 1212, 1414, 1574, 1818, 2121, 2361, 2828, 3148, 3636, 4242, 4722, 5509, 6363, 7083, 8484, 9444, 11018, 12726, 14166, 16527, 22036, 25452, 28332, 33054, 49581, 66108, 79487, 99162, 158974, 198324, 238461, 317948, 476922, 556409, 715383, 953844, 1112818, 1430766, 1669227, 2225636, 2861532, 3338454, 5007681, 6676908, 10015362, 20030724]

約数ペア:

[(1, 20030724), (2, 10015362), (3, 6676908), (4, 5007681), (6, 3338454), (7, 2861532), (9, 2225636), (12, 1669227), (14, 1430766), (18, 1112818), (21, 953844), (28, 715383), (36, 556409), (42, 476922), (63, 317948), (84, 238461), (101, 198324), (126, 158974), (202, 99162), (252, 79487), (303, 66108), (404, 49581), (606, 33054), (707, 28332), (787, 25452), (909, 22036), (1212, 16527), (1414, 14166), (1574, 12726), (1818, 11018), (2121, 9444), (2361, 8484), (2828, 7083), (3148, 6363), (3636, 5509), (4242, 4722)]