20713152012

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{147391}}^1$

素因数の和:147651

約数の個数: 72

約数和(自身を含む): 56457031680

約数和(自身を除く): 35743879668

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 239, 294, 478, 588, 717, 956, 1434, 1673, 2868, 3346, 5019, 6692, 10038, 11711, 20076, 23422, 35133, 46844, 70266, 140532, 147391, 294782, 442173, 589564, 884346, 1031737, 1768692, 2063474, 3095211, 4126948, 6190422, 7222159, 12380844, 14444318, 21666477, 28888636, 35226449, 43332954, 70452898, 86665908, 105679347, 140905796, 211358694, 246585143, 422717388, 493170286, 739755429, 986340572, 1479510858, 1726096001, 2959021716, 3452192002, 5178288003, 6904384004, 10356576006, 20713152012]

約数ペア:

[(1, 20713152012), (2, 10356576006), (3, 6904384004), (4, 5178288003), (6, 3452192002), (7, 2959021716), (12, 1726096001), (14, 1479510858), (21, 986340572), (28, 739755429), (42, 493170286), (49, 422717388), (84, 246585143), (98, 211358694), (147, 140905796), (196, 105679347), (239, 86665908), (294, 70452898), (478, 43332954), (588, 35226449), (717, 28888636), (956, 21666477), (1434, 14444318), (1673, 12380844), (2868, 7222159), (3346, 6190422), (5019, 4126948), (6692, 3095211), (10038, 2063474), (11711, 1768692), (20076, 1031737), (23422, 884346), (35133, 589564), (46844, 442173), (70266, 294782), (140532, 147391)]