20168121282

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{743}}^1\times {\mathrm{2137}}^1$

素因数の和:2987

約数の個数: 64

約数和(自身を含む): 42375502080

約数和(自身を除く): 22207380798

約数列:

[1, 2, 3, 6, 29, 58, 73, 87, 146, 174, 219, 438, 743, 1486, 2117, 2137, 2229, 4234, 4274, 4458, 6351, 6411, 12702, 12822, 21547, 43094, 54239, 61973, 64641, 108478, 123946, 129282, 156001, 162717, 185919, 312002, 325434, 371838, 468003, 936006, 1572931, 1587791, 3145862, 3175582, 4524029, 4718793, 4763373, 9048058, 9437586, 9526746, 13572087, 27144174, 46045939, 92091878, 115908743, 138137817, 231817486, 276275634, 347726229, 695452458, 3361353547, 6722707094, 10084060641, 20168121282]

約数ペア:

[(1, 20168121282), (2, 10084060641), (3, 6722707094), (6, 3361353547), (29, 695452458), (58, 347726229), (73, 276275634), (87, 231817486), (146, 138137817), (174, 115908743), (219, 92091878), (438, 46045939), (743, 27144174), (1486, 13572087), (2117, 9526746), (2137, 9437586), (2229, 9048058), (4234, 4763373), (4274, 4718793), (4458, 4524029), (6351, 3175582), (6411, 3145862), (12702, 1587791), (12822, 1572931), (21547, 936006), (43094, 468003), (54239, 371838), (61973, 325434), (64641, 312002), (108478, 185919), (123946, 162717), (129282, 156001)]