20733370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 48755520

約数和(自身を除く): 28022150

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 49, 70, 85, 95, 98, 119, 131, 133, 170, 190, 238, 245, 262, 266, 323, 490, 595, 646, 655, 665, 833, 917, 931, 1190, 1310, 1330, 1615, 1666, 1834, 1862, 2227, 2261, 2489, 3230, 4165, 4454, 4522, 4585, 4655, 4978, 6419, 8330, 9170, 9310, 11135, 11305, 12445, 12838, 15589, 15827, 17423, 22270, 22610, 24890, 31178, 31654, 32095, 34846, 42313, 64190, 77945, 79135, 84626, 87115, 109123, 121961, 155890, 158270, 174230, 211565, 218246, 243922, 296191, 423130, 545615, 592382, 609805, 1091230, 1219610, 1480955, 2073337, 2961910, 4146674, 10366685, 20733370]

約数ペア:

[(1, 20733370), (2, 10366685), (5, 4146674), (7, 2961910), (10, 2073337), (14, 1480955), (17, 1219610), (19, 1091230), (34, 609805), (35, 592382), (38, 545615), (49, 423130), (70, 296191), (85, 243922), (95, 218246), (98, 211565), (119, 174230), (131, 158270), (133, 155890), (170, 121961), (190, 109123), (238, 87115), (245, 84626), (262, 79135), (266, 77945), (323, 64190), (490, 42313), (595, 34846), (646, 32095), (655, 31654), (665, 31178), (833, 24890), (917, 22610), (931, 22270), (1190, 17423), (1310, 15827), (1330, 15589), (1615, 12838), (1666, 12445), (1834, 11305), (1862, 11135), (2227, 9310), (2261, 9170), (2489, 8330), (3230, 6419), (4165, 4978), (4454, 4655), (4522, 4585)]