20593950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 35652450

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 59, 65, 75, 78, 118, 130, 150, 177, 179, 195, 295, 325, 354, 358, 390, 537, 590, 650, 767, 885, 895, 975, 1074, 1475, 1534, 1770, 1790, 1950, 2301, 2327, 2685, 2950, 3835, 4425, 4475, 4602, 4654, 5370, 6981, 7670, 8850, 8950, 10561, 11505, 11635, 13425, 13962, 19175, 21122, 23010, 23270, 26850, 31683, 34905, 38350, 52805, 57525, 58175, 63366, 69810, 105610, 115050, 116350, 137293, 158415, 174525, 264025, 274586, 316830, 349050, 411879, 528050, 686465, 792075, 823758, 1372930, 1584150, 2059395, 3432325, 4118790, 6864650, 10296975, 20593950]

約数ペア:

[(1, 20593950), (2, 10296975), (3, 6864650), (5, 4118790), (6, 3432325), (10, 2059395), (13, 1584150), (15, 1372930), (25, 823758), (26, 792075), (30, 686465), (39, 528050), (50, 411879), (59, 349050), (65, 316830), (75, 274586), (78, 264025), (118, 174525), (130, 158415), (150, 137293), (177, 116350), (179, 115050), (195, 105610), (295, 69810), (325, 63366), (354, 58175), (358, 57525), (390, 52805), (537, 38350), (590, 34905), (650, 31683), (767, 26850), (885, 23270), (895, 23010), (975, 21122), (1074, 19175), (1475, 13962), (1534, 13425), (1770, 11635), (1790, 11505), (1950, 10561), (2301, 8950), (2327, 8850), (2685, 7670), (2950, 6981), (3835, 5370), (4425, 4654), (4475, 4602)]