20867910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99371}}^1$

素因数の和:99388

約数の個数: 32

約数和(自身を含む): 57238272

約数和(自身を除く): 36370362

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99371, 198742, 298113, 496855, 596226, 695597, 993710, 1391194, 1490565, 2086791, 2981130, 3477985, 4173582, 6955970, 10433955, 20867910]

約数ペア:

[(1, 20867910), (2, 10433955), (3, 6955970), (5, 4173582), (6, 3477985), (7, 2981130), (10, 2086791), (14, 1490565), (15, 1391194), (21, 993710), (30, 695597), (35, 596226), (42, 496855), (70, 298113), (105, 198742), (210, 99371)]