20199100790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1\times {\mathrm{3001}}^1$

素因数の和:4485

約数の個数: 64

約数和(自身を含む): 40628155392

約数和(自身を除く): 20429054602

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 1423, 2365, 2846, 3001, 4730, 6002, 7115, 14230, 15005, 15653, 30010, 31306, 33011, 61189, 66022, 78265, 122378, 129043, 156530, 165055, 258086, 305945, 330110, 611890, 645215, 673079, 1290430, 1346158, 1419473, 2838946, 3365395, 4270423, 6730790, 7097365, 8540846, 14194730, 21352115, 42704230, 46974653, 93949306, 183628189, 234873265, 367256378, 469746530, 918140945, 1836281890, 2019910079, 4039820158, 10099550395, 20199100790]

約数ペア:

[(1, 20199100790), (2, 10099550395), (5, 4039820158), (10, 2019910079), (11, 1836281890), (22, 918140945), (43, 469746530), (55, 367256378), (86, 234873265), (110, 183628189), (215, 93949306), (430, 46974653), (473, 42704230), (946, 21352115), (1423, 14194730), (2365, 8540846), (2846, 7097365), (3001, 6730790), (4730, 4270423), (6002, 3365395), (7115, 2838946), (14230, 1419473), (15005, 1346158), (15653, 1290430), (30010, 673079), (31306, 645215), (33011, 611890), (61189, 330110), (66022, 305945), (78265, 258086), (122378, 165055), (129043, 156530)]