20161689930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{39769}}^1$

素因数の和:39956

約数の個数: 96

約数和(自身を含む): 54050293440

約数和(自身を除く): 33888603510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 131, 215, 258, 262, 387, 393, 430, 645, 655, 774, 786, 1179, 1290, 1310, 1935, 1965, 2358, 3870, 3930, 5633, 5895, 11266, 11790, 16899, 28165, 33798, 39769, 50697, 56330, 79538, 84495, 101394, 119307, 168990, 198845, 238614, 253485, 357921, 397690, 506970, 596535, 715842, 1193070, 1710067, 1789605, 3420134, 3579210, 5130201, 5209739, 8550335, 10260402, 10419478, 15390603, 15629217, 17100670, 25651005, 26048695, 30781206, 31258434, 46887651, 51302010, 52097390, 76953015, 78146085, 93775302, 153906030, 156292170, 224018777, 234438255, 448037554, 468876510, 672056331, 1120093885, 1344112662, 2016168993, 2240187770, 3360281655, 4032337986, 6720563310, 10080844965, 20161689930]

約数ペア:

[(1, 20161689930), (2, 10080844965), (3, 6720563310), (5, 4032337986), (6, 3360281655), (9, 2240187770), (10, 2016168993), (15, 1344112662), (18, 1120093885), (30, 672056331), (43, 468876510), (45, 448037554), (86, 234438255), (90, 224018777), (129, 156292170), (131, 153906030), (215, 93775302), (258, 78146085), (262, 76953015), (387, 52097390), (393, 51302010), (430, 46887651), (645, 31258434), (655, 30781206), (774, 26048695), (786, 25651005), (1179, 17100670), (1290, 15629217), (1310, 15390603), (1935, 10419478), (1965, 10260402), (2358, 8550335), (3870, 5209739), (3930, 5130201), (5633, 3579210), (5895, 3420134), (11266, 1789605), (11790, 1710067), (16899, 1193070), (28165, 715842), (33798, 596535), (39769, 506970), (50697, 397690), (56330, 357921), (79538, 253485), (84495, 238614), (101394, 198845), (119307, 168990)]