20736560040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24686381}}^1$

素因数の和:24686402

約数の個数: 64

約数和(自身を含む): 71096780160

約数和(自身を除く): 50360220120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24686381, 49372762, 74059143, 98745524, 123431905, 148118286, 172804667, 197491048, 246863810, 296236572, 345609334, 370295715, 493727620, 518414001, 592473144, 691218668, 740591430, 864023335, 987455240, 1036828002, 1382437336, 1481182860, 1728046670, 2073656004, 2592070005, 2962365720, 3456093340, 4147312008, 5184140010, 6912186680, 10368280020, 20736560040]

約数ペア:

[(1, 20736560040), (2, 10368280020), (3, 6912186680), (4, 5184140010), (5, 4147312008), (6, 3456093340), (7, 2962365720), (8, 2592070005), (10, 2073656004), (12, 1728046670), (14, 1481182860), (15, 1382437336), (20, 1036828002), (21, 987455240), (24, 864023335), (28, 740591430), (30, 691218668), (35, 592473144), (40, 518414001), (42, 493727620), (56, 370295715), (60, 345609334), (70, 296236572), (84, 246863810), (105, 197491048), (120, 172804667), (140, 148118286), (168, 123431905), (210, 98745524), (280, 74059143), (420, 49372762), (840, 24686381)]