20915070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1121

約数の個数: 64

約数和(自身を含む): 55710720

約数和(自身を除く): 34795650

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 61, 66, 110, 122, 165, 183, 305, 330, 366, 610, 671, 915, 1039, 1342, 1830, 2013, 2078, 3117, 3355, 4026, 5195, 6234, 6710, 10065, 10390, 11429, 15585, 20130, 22858, 31170, 34287, 57145, 63379, 68574, 114290, 126758, 171435, 190137, 316895, 342870, 380274, 633790, 697169, 950685, 1394338, 1901370, 2091507, 3485845, 4183014, 6971690, 10457535, 20915070]

約数ペア:

[(1, 20915070), (2, 10457535), (3, 6971690), (5, 4183014), (6, 3485845), (10, 2091507), (11, 1901370), (15, 1394338), (22, 950685), (30, 697169), (33, 633790), (55, 380274), (61, 342870), (66, 316895), (110, 190137), (122, 171435), (165, 126758), (183, 114290), (305, 68574), (330, 63379), (366, 57145), (610, 34287), (671, 31170), (915, 22858), (1039, 20130), (1342, 15585), (1830, 11429), (2013, 10390), (2078, 10065), (3117, 6710), (3355, 6234), (4026, 5195)]