20385510972

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{42473}}^1$

素因数の和:42587

約数の個数: 96

約数和(自身を含む): 52061571072

約数和(自身を除く): 31676060100

約数列:

[1, 2, 3, 4, 6, 12, 23, 37, 46, 47, 69, 74, 92, 94, 111, 138, 141, 148, 188, 222, 276, 282, 444, 564, 851, 1081, 1702, 1739, 2162, 2553, 3243, 3404, 3478, 4324, 5106, 5217, 6486, 6956, 10212, 10434, 12972, 20868, 39997, 42473, 79994, 84946, 119991, 127419, 159988, 169892, 239982, 254838, 479964, 509676, 976879, 1571501, 1953758, 1996231, 2930637, 3143002, 3907516, 3992462, 4714503, 5861274, 5988693, 6286004, 7984924, 9429006, 11722548, 11977386, 18858012, 23954772, 36144523, 45913313, 72289046, 73860547, 91826626, 108433569, 137739939, 144578092, 147721094, 183653252, 216867138, 221581641, 275479878, 295442188, 433734276, 443163282, 550959756, 886326564, 1698792581, 3397585162, 5096377743, 6795170324, 10192755486, 20385510972]

約数ペア:

[(1, 20385510972), (2, 10192755486), (3, 6795170324), (4, 5096377743), (6, 3397585162), (12, 1698792581), (23, 886326564), (37, 550959756), (46, 443163282), (47, 433734276), (69, 295442188), (74, 275479878), (92, 221581641), (94, 216867138), (111, 183653252), (138, 147721094), (141, 144578092), (148, 137739939), (188, 108433569), (222, 91826626), (276, 73860547), (282, 72289046), (444, 45913313), (564, 36144523), (851, 23954772), (1081, 18858012), (1702, 11977386), (1739, 11722548), (2162, 9429006), (2553, 7984924), (3243, 6286004), (3404, 5988693), (3478, 5861274), (4324, 4714503), (5106, 3992462), (5217, 3907516), (6486, 3143002), (6956, 2930637), (10212, 1996231), (10434, 1953758), (12972, 1571501), (20868, 976879), (39997, 509676), (42473, 479964), (79994, 254838), (84946, 239982), (119991, 169892), (127419, 159988)]