20525130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4001}}^1$

素因数の和:4036

約数の個数: 64

約数和(自身を含む): 57628800

約数和(自身を除く): 37103670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 4001, 5130, 8002, 12003, 20005, 24006, 36009, 40010, 60015, 72018, 76019, 108027, 120030, 152038, 180045, 216054, 228057, 360090, 380095, 456114, 540135, 684171, 760190, 1080270, 1140285, 1368342, 2052513, 2280570, 3420855, 4105026, 6841710, 10262565, 20525130]

約数ペア:

[(1, 20525130), (2, 10262565), (3, 6841710), (5, 4105026), (6, 3420855), (9, 2280570), (10, 2052513), (15, 1368342), (18, 1140285), (19, 1080270), (27, 760190), (30, 684171), (38, 540135), (45, 456114), (54, 380095), (57, 360090), (90, 228057), (95, 216054), (114, 180045), (135, 152038), (171, 120030), (190, 108027), (270, 76019), (285, 72018), (342, 60015), (513, 40010), (570, 36009), (855, 24006), (1026, 20005), (1710, 12003), (2565, 8002), (4001, 5130)]