20730590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 39237696

約数和(自身を除く): 18507106

約数列:

[1, 2, 5, 10, 23, 46, 115, 173, 230, 346, 521, 865, 1042, 1730, 2605, 3979, 5210, 7958, 11983, 19895, 23966, 39790, 59915, 90133, 119830, 180266, 450665, 901330, 2073059, 4146118, 10365295, 20730590]

約数ペア:

[(1, 20730590), (2, 10365295), (5, 4146118), (10, 2073059), (23, 901330), (46, 450665), (115, 180266), (173, 119830), (230, 90133), (346, 59915), (521, 39790), (865, 23966), (1042, 19895), (1730, 11983), (2605, 7958), (3979, 5210)]