20216910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{809}}^1$

素因数の和:850

約数の個数: 96

約数和(自身を含む): 59836320

約数和(自身を除く): 39619410

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 49, 51, 70, 85, 98, 102, 105, 119, 147, 170, 210, 238, 245, 255, 294, 357, 490, 510, 595, 714, 735, 809, 833, 1190, 1470, 1618, 1666, 1785, 2427, 2499, 3570, 4045, 4165, 4854, 4998, 5663, 8090, 8330, 11326, 12135, 12495, 13753, 16989, 24270, 24990, 27506, 28315, 33978, 39641, 41259, 56630, 68765, 79282, 82518, 84945, 96271, 118923, 137530, 169890, 192542, 198205, 206295, 237846, 288813, 396410, 412590, 481355, 577626, 594615, 673897, 962710, 1189230, 1347794, 1444065, 2021691, 2888130, 3369485, 4043382, 6738970, 10108455, 20216910]

約数ペア:

[(1, 20216910), (2, 10108455), (3, 6738970), (5, 4043382), (6, 3369485), (7, 2888130), (10, 2021691), (14, 1444065), (15, 1347794), (17, 1189230), (21, 962710), (30, 673897), (34, 594615), (35, 577626), (42, 481355), (49, 412590), (51, 396410), (70, 288813), (85, 237846), (98, 206295), (102, 198205), (105, 192542), (119, 169890), (147, 137530), (170, 118923), (210, 96271), (238, 84945), (245, 82518), (255, 79282), (294, 68765), (357, 56630), (490, 41259), (510, 39641), (595, 33978), (714, 28315), (735, 27506), (809, 24990), (833, 24270), (1190, 16989), (1470, 13753), (1618, 12495), (1666, 12135), (1785, 11326), (2427, 8330), (2499, 8090), (3570, 5663), (4045, 4998), (4165, 4854)]