20953974

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 43110144

約数和(自身を除く): 22156170

約数列:

[1, 2, 3, 6, 53, 106, 131, 159, 262, 318, 393, 503, 786, 1006, 1509, 3018, 6943, 13886, 20829, 26659, 41658, 53318, 65893, 79977, 131786, 159954, 197679, 395358, 3492329, 6984658, 10476987, 20953974]

約数ペア:

[(1, 20953974), (2, 10476987), (3, 6984658), (6, 3492329), (53, 395358), (106, 197679), (131, 159954), (159, 131786), (262, 79977), (318, 65893), (393, 53318), (503, 41658), (786, 26659), (1006, 20829), (1509, 13886), (3018, 6943)]