20352240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1229}}^1$

素因数の和:1271

約数の個数: 120

約数和(自身を含む): 71379360

約数和(自身を除く): 51027120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1229, 1380, 1656, 1840, 2070, 2458, 2760, 3312, 3687, 4140, 4916, 5520, 6145, 7374, 8280, 9832, 11061, 12290, 14748, 16560, 18435, 19664, 22122, 24580, 28267, 29496, 36870, 44244, 49160, 55305, 56534, 58992, 73740, 84801, 88488, 98320, 110610, 113068, 141335, 147480, 169602, 176976, 221220, 226136, 254403, 282670, 294960, 339204, 424005, 442440, 452272, 508806, 565340, 678408, 848010, 884880, 1017612, 1130680, 1272015, 1356816, 1696020, 2035224, 2261360, 2544030, 3392040, 4070448, 5088060, 6784080, 10176120, 20352240]

約数ペア:

[(1, 20352240), (2, 10176120), (3, 6784080), (4, 5088060), (5, 4070448), (6, 3392040), (8, 2544030), (9, 2261360), (10, 2035224), (12, 1696020), (15, 1356816), (16, 1272015), (18, 1130680), (20, 1017612), (23, 884880), (24, 848010), (30, 678408), (36, 565340), (40, 508806), (45, 452272), (46, 442440), (48, 424005), (60, 339204), (69, 294960), (72, 282670), (80, 254403), (90, 226136), (92, 221220), (115, 176976), (120, 169602), (138, 147480), (144, 141335), (180, 113068), (184, 110610), (207, 98320), (230, 88488), (240, 84801), (276, 73740), (345, 58992), (360, 56534), (368, 55305), (414, 49160), (460, 44244), (552, 36870), (690, 29496), (720, 28267), (828, 24580), (920, 22122), (1035, 19664), (1104, 18435), (1229, 16560), (1380, 14748), (1656, 12290), (1840, 11061), (2070, 9832), (2458, 8280), (2760, 7374), (3312, 6145), (3687, 5520), (4140, 4916)]