200020002

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{9901}}^1$

素因数の和:9963

約数の個数: 64

約数和(自身を含む): 505714944

約数和(自身を除く): 305694942

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 37, 39, 42, 74, 78, 91, 111, 182, 222, 259, 273, 481, 518, 546, 777, 962, 1443, 1554, 2886, 3367, 6734, 9901, 10101, 19802, 20202, 29703, 59406, 69307, 128713, 138614, 207921, 257426, 366337, 386139, 415842, 732674, 772278, 900991, 1099011, 1801982, 2198022, 2564359, 2702973, 4762381, 5128718, 5405946, 7693077, 9524762, 14287143, 15386154, 28574286, 33336667, 66673334, 100010001, 200020002]

約数ペア:

[(1, 200020002), (2, 100010001), (3, 66673334), (6, 33336667), (7, 28574286), (13, 15386154), (14, 14287143), (21, 9524762), (26, 7693077), (37, 5405946), (39, 5128718), (42, 4762381), (74, 2702973), (78, 2564359), (91, 2198022), (111, 1801982), (182, 1099011), (222, 900991), (259, 772278), (273, 732674), (481, 415842), (518, 386139), (546, 366337), (777, 257426), (962, 207921), (1443, 138614), (1554, 128713), (2886, 69307), (3367, 59406), (6734, 29703), (9901, 20202), (10101, 19802)]