20319642860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1\times {\mathrm{2467}}^1$

素因数の和:3807

約数の個数: 96

約数和(自身を含む): 48212478720

約数和(自身を除く): 27892835860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1291, 1595, 2467, 2582, 3190, 4934, 5164, 6380, 6455, 9868, 12335, 12910, 14201, 24670, 25820, 27137, 28402, 37439, 49340, 54274, 56804, 71005, 71543, 74878, 108548, 135685, 142010, 143086, 149756, 187195, 271370, 284020, 286172, 357715, 374390, 411829, 542740, 715430, 748780, 786973, 823658, 1430860, 1573946, 1647316, 2059145, 3147892, 3184897, 3934865, 4118290, 6369794, 7869730, 8236580, 12739588, 15739460, 15924485, 31848970, 35033867, 63697940, 70067734, 92362013, 140135468, 175169335, 184724026, 350338670, 369448052, 461810065, 700677340, 923620130, 1015982143, 1847240260, 2031964286, 4063928572, 5079910715, 10159821430, 20319642860]

約数ペア:

[(1, 20319642860), (2, 10159821430), (4, 5079910715), (5, 4063928572), (10, 2031964286), (11, 1847240260), (20, 1015982143), (22, 923620130), (29, 700677340), (44, 461810065), (55, 369448052), (58, 350338670), (110, 184724026), (116, 175169335), (145, 140135468), (220, 92362013), (290, 70067734), (319, 63697940), (580, 35033867), (638, 31848970), (1276, 15924485), (1291, 15739460), (1595, 12739588), (2467, 8236580), (2582, 7869730), (3190, 6369794), (4934, 4118290), (5164, 3934865), (6380, 3184897), (6455, 3147892), (9868, 2059145), (12335, 1647316), (12910, 1573946), (14201, 1430860), (24670, 823658), (25820, 786973), (27137, 748780), (28402, 715430), (37439, 542740), (49340, 411829), (54274, 374390), (56804, 357715), (71005, 286172), (71543, 284020), (74878, 271370), (108548, 187195), (135685, 149756), (142010, 143086)]