201720993604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1571}}^1\times {\mathrm{15149}}^1$

素因数の和:16900

約数の個数: 48

約数和(自身を含む): 382767537600

約数和(自身を除く): 181046543996

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 1571, 2119, 3142, 4238, 6284, 8476, 15149, 20423, 30298, 40846, 60596, 81692, 196937, 256073, 393874, 512146, 787748, 1024292, 2469287, 3328949, 4938574, 6657898, 9877148, 13315796, 23799079, 32100731, 47598158, 64201462, 95196316, 128402924, 309388027, 618776054, 1237552108, 3879249877, 7758499754, 15516999508, 50430248401, 100860496802, 201720993604]

約数ペア:

[(1, 201720993604), (2, 100860496802), (4, 50430248401), (13, 15516999508), (26, 7758499754), (52, 3879249877), (163, 1237552108), (326, 618776054), (652, 309388027), (1571, 128402924), (2119, 95196316), (3142, 64201462), (4238, 47598158), (6284, 32100731), (8476, 23799079), (15149, 13315796), (20423, 9877148), (30298, 6657898), (40846, 4938574), (60596, 3328949), (81692, 2469287), (196937, 1024292), (256073, 787748), (393874, 512146)]