20297040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3677}}^1$

素因数の和:3716

約数の個数: 80

約数和(自身を含む): 65674368

約数和(自身を除く): 45377328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3677, 5520, 7354, 11031, 14708, 18385, 22062, 29416, 36770, 44124, 55155, 58832, 73540, 84571, 88248, 110310, 147080, 169142, 176496, 220620, 253713, 294160, 338284, 422855, 441240, 507426, 676568, 845710, 882480, 1014852, 1268565, 1353136, 1691420, 2029704, 2537130, 3382840, 4059408, 5074260, 6765680, 10148520, 20297040]

約数ペア:

[(1, 20297040), (2, 10148520), (3, 6765680), (4, 5074260), (5, 4059408), (6, 3382840), (8, 2537130), (10, 2029704), (12, 1691420), (15, 1353136), (16, 1268565), (20, 1014852), (23, 882480), (24, 845710), (30, 676568), (40, 507426), (46, 441240), (48, 422855), (60, 338284), (69, 294160), (80, 253713), (92, 220620), (115, 176496), (120, 169142), (138, 147080), (184, 110310), (230, 88248), (240, 84571), (276, 73540), (345, 58832), (368, 55155), (460, 44124), (552, 36770), (690, 29416), (920, 22062), (1104, 18385), (1380, 14708), (1840, 11031), (2760, 7354), (3677, 5520)]