20301880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26713}}^1$

素因数の和:26743

約数の個数: 32

約数和(自身を含む): 48085200

約数和(自身を除く): 27783320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26713, 53426, 106852, 133565, 213704, 267130, 507547, 534260, 1015094, 1068520, 2030188, 2537735, 4060376, 5075470, 10150940, 20301880]

約数ペア:

[(1, 20301880), (2, 10150940), (4, 5075470), (5, 4060376), (8, 2537735), (10, 2030188), (19, 1068520), (20, 1015094), (38, 534260), (40, 507547), (76, 267130), (95, 213704), (152, 133565), (190, 106852), (380, 53426), (760, 26713)]