20763480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7523}}^1$

素因数の和:7560

約数の個数: 64

約数和(自身を含む): 65007360

約数和(自身を除く): 44243880

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, 7523, 15046, 22569, 30092, 37615, 45138, 60184, 75230, 90276, 112845, 150460, 173029, 180552, 225690, 300920, 346058, 451380, 519087, 692116, 865145, 902760, 1038174, 1384232, 1730290, 2076348, 2595435, 3460580, 4152696, 5190870, 6921160, 10381740, 20763480]

約数ペア:

[(1, 20763480), (2, 10381740), (3, 6921160), (4, 5190870), (5, 4152696), (6, 3460580), (8, 2595435), (10, 2076348), (12, 1730290), (15, 1384232), (20, 1038174), (23, 902760), (24, 865145), (30, 692116), (40, 519087), (46, 451380), (60, 346058), (69, 300920), (92, 225690), (115, 180552), (120, 173029), (138, 150460), (184, 112845), (230, 90276), (276, 75230), (345, 60184), (460, 45138), (552, 37615), (690, 30092), (920, 22569), (1380, 15046), (2760, 7523)]