20321070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:510

約数の個数: 128

約数和(自身を含む): 64143360

約数和(自身を除く): 43822290

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 19, 21, 22, 30, 33, 35, 38, 42, 55, 57, 66, 70, 77, 95, 105, 110, 114, 133, 154, 165, 190, 209, 210, 231, 266, 285, 330, 385, 399, 418, 462, 463, 570, 627, 665, 770, 798, 926, 1045, 1155, 1254, 1330, 1389, 1463, 1995, 2090, 2310, 2315, 2778, 2926, 3135, 3241, 3990, 4389, 4630, 5093, 6270, 6482, 6945, 7315, 8778, 8797, 9723, 10186, 13890, 14630, 15279, 16205, 17594, 19446, 21945, 25465, 26391, 30558, 32410, 35651, 43890, 43985, 48615, 50930, 52782, 61579, 71302, 76395, 87970, 96767, 97230, 106953, 123158, 131955, 152790, 178255, 184737, 193534, 213906, 263910, 290301, 307895, 356510, 369474, 483835, 534765, 580602, 615790, 677369, 923685, 967670, 1069530, 1354738, 1451505, 1847370, 2032107, 2903010, 3386845, 4064214, 6773690, 10160535, 20321070]

約数ペア:

[(1, 20321070), (2, 10160535), (3, 6773690), (5, 4064214), (6, 3386845), (7, 2903010), (10, 2032107), (11, 1847370), (14, 1451505), (15, 1354738), (19, 1069530), (21, 967670), (22, 923685), (30, 677369), (33, 615790), (35, 580602), (38, 534765), (42, 483835), (55, 369474), (57, 356510), (66, 307895), (70, 290301), (77, 263910), (95, 213906), (105, 193534), (110, 184737), (114, 178255), (133, 152790), (154, 131955), (165, 123158), (190, 106953), (209, 97230), (210, 96767), (231, 87970), (266, 76395), (285, 71302), (330, 61579), (385, 52782), (399, 50930), (418, 48615), (462, 43985), (463, 43890), (570, 35651), (627, 32410), (665, 30558), (770, 26391), (798, 25465), (926, 21945), (1045, 19446), (1155, 17594), (1254, 16205), (1330, 15279), (1389, 14630), (1463, 13890), (1995, 10186), (2090, 9723), (2310, 8797), (2315, 8778), (2778, 7315), (2926, 6945), (3135, 6482), (3241, 6270), (3990, 5093), (4389, 4630)]