20121448287

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 28831334400

約数和(自身を除く): 8709886113

約数列:

[1, 3, 31, 47, 93, 109, 141, 157, 269, 327, 471, 807, 1457, 3379, 4371, 4867, 5123, 7379, 8339, 10137, 12643, 14601, 15369, 17113, 22137, 25017, 29321, 37929, 42233, 51339, 87963, 126699, 158813, 228749, 391933, 476439, 530503, 686247, 804311, 908951, 1175799, 1309223, 1378087, 1591509, 1984951, 2412933, 2726853, 3927669, 4134261, 4603397, 5954853, 13810191, 24933641, 42720697, 61533481, 74800923, 128162091, 142705307, 184600443, 216359659, 428115921, 649078977, 6707149429, 20121448287]

約数ペア:

[(1, 20121448287), (3, 6707149429), (31, 649078977), (47, 428115921), (93, 216359659), (109, 184600443), (141, 142705307), (157, 128162091), (269, 74800923), (327, 61533481), (471, 42720697), (807, 24933641), (1457, 13810191), (3379, 5954853), (4371, 4603397), (4867, 4134261), (5123, 3927669), (7379, 2726853), (8339, 2412933), (10137, 1984951), (12643, 1591509), (14601, 1378087), (15369, 1309223), (17113, 1175799), (22137, 908951), (25017, 804311), (29321, 686247), (37929, 530503), (42233, 476439), (51339, 391933), (87963, 228749), (126699, 158813)]