20475450

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 58478400

約数和(自身を除く): 38002950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 29, 30, 45, 50, 54, 58, 75, 87, 90, 135, 145, 150, 174, 225, 261, 270, 290, 435, 450, 522, 523, 675, 725, 783, 870, 1046, 1305, 1350, 1450, 1566, 1569, 2175, 2610, 2615, 3138, 3915, 4350, 4707, 5230, 6525, 7830, 7845, 9414, 13050, 13075, 14121, 15167, 15690, 19575, 23535, 26150, 28242, 30334, 39150, 39225, 45501, 47070, 70605, 75835, 78450, 91002, 117675, 136503, 141210, 151670, 227505, 235350, 273006, 353025, 379175, 409509, 455010, 682515, 706050, 758350, 819018, 1137525, 1365030, 2047545, 2275050, 3412575, 4095090, 6825150, 10237725, 20475450]

約数ペア:

[(1, 20475450), (2, 10237725), (3, 6825150), (5, 4095090), (6, 3412575), (9, 2275050), (10, 2047545), (15, 1365030), (18, 1137525), (25, 819018), (27, 758350), (29, 706050), (30, 682515), (45, 455010), (50, 409509), (54, 379175), (58, 353025), (75, 273006), (87, 235350), (90, 227505), (135, 151670), (145, 141210), (150, 136503), (174, 117675), (225, 91002), (261, 78450), (270, 75835), (290, 70605), (435, 47070), (450, 45501), (522, 39225), (523, 39150), (675, 30334), (725, 28242), (783, 26150), (870, 23535), (1046, 19575), (1305, 15690), (1350, 15167), (1450, 14121), (1566, 13075), (1569, 13050), (2175, 9414), (2610, 7845), (2615, 7830), (3138, 6525), (3915, 5230), (4350, 4707)]