20090940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19697}}^1$

素因数の和:19726

約数の個数: 48

約数和(自身を含む): 59566752

約数和(自身を除く): 39475812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19697, 39394, 59091, 78788, 98485, 118182, 196970, 236364, 295455, 334849, 393940, 590910, 669698, 1004547, 1181820, 1339396, 1674245, 2009094, 3348490, 4018188, 5022735, 6696980, 10045470, 20090940]

約数ペア:

[(1, 20090940), (2, 10045470), (3, 6696980), (4, 5022735), (5, 4018188), (6, 3348490), (10, 2009094), (12, 1674245), (15, 1339396), (17, 1181820), (20, 1004547), (30, 669698), (34, 590910), (51, 393940), (60, 334849), (68, 295455), (85, 236364), (102, 196970), (170, 118182), (204, 98485), (255, 78788), (340, 59091), (510, 39394), (1020, 19697)]