20205960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7321}}^1$

素因数の和:7358

約数の個数: 64

約数和(自身を含む): 63262080

約数和(自身を除く): 43056120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7321, 14642, 21963, 29284, 36605, 43926, 58568, 73210, 87852, 109815, 146420, 168383, 175704, 219630, 292840, 336766, 439260, 505149, 673532, 841915, 878520, 1010298, 1347064, 1683830, 2020596, 2525745, 3367660, 4041192, 5051490, 6735320, 10102980, 20205960]

約数ペア:

[(1, 20205960), (2, 10102980), (3, 6735320), (4, 5051490), (5, 4041192), (6, 3367660), (8, 2525745), (10, 2020596), (12, 1683830), (15, 1347064), (20, 1010298), (23, 878520), (24, 841915), (30, 673532), (40, 505149), (46, 439260), (60, 336766), (69, 292840), (92, 219630), (115, 175704), (120, 168383), (138, 146420), (184, 109815), (230, 87852), (276, 73210), (345, 58568), (460, 43926), (552, 36605), (690, 29284), (920, 21963), (1380, 14642), (2760, 7321)]