20390178120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13070627}}^1$

素因数の和:13070654

約数の個数: 64

約数和(自身を含む): 65875965120

約数和(自身を除く): 45485787000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 13070627, 26141254, 39211881, 52282508, 65353135, 78423762, 104565016, 130706270, 156847524, 169918151, 196059405, 261412540, 313695048, 339836302, 392118810, 509754453, 522825080, 679672604, 784237620, 849590755, 1019508906, 1359345208, 1568475240, 1699181510, 2039017812, 2548772265, 3398363020, 4078035624, 5097544530, 6796726040, 10195089060, 20390178120]

約数ペア:

[(1, 20390178120), (2, 10195089060), (3, 6796726040), (4, 5097544530), (5, 4078035624), (6, 3398363020), (8, 2548772265), (10, 2039017812), (12, 1699181510), (13, 1568475240), (15, 1359345208), (20, 1019508906), (24, 849590755), (26, 784237620), (30, 679672604), (39, 522825080), (40, 509754453), (52, 392118810), (60, 339836302), (65, 313695048), (78, 261412540), (104, 196059405), (120, 169918151), (130, 156847524), (156, 130706270), (195, 104565016), (260, 78423762), (312, 65353135), (390, 52282508), (520, 39211881), (780, 26141254), (1560, 13070627)]