20497356

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 57028608

約数和(自身を除く): 36531252

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 191, 198, 271, 382, 396, 542, 573, 764, 813, 1084, 1146, 1626, 1719, 2101, 2292, 2439, 2981, 3252, 3438, 4202, 4878, 5962, 6303, 6876, 8404, 8943, 9756, 11924, 12606, 17886, 18909, 25212, 26829, 35772, 37818, 51761, 53658, 75636, 103522, 107316, 155283, 207044, 310566, 465849, 569371, 621132, 931698, 1138742, 1708113, 1863396, 2277484, 3416226, 5124339, 6832452, 10248678, 20497356]

約数ペア:

[(1, 20497356), (2, 10248678), (3, 6832452), (4, 5124339), (6, 3416226), (9, 2277484), (11, 1863396), (12, 1708113), (18, 1138742), (22, 931698), (33, 621132), (36, 569371), (44, 465849), (66, 310566), (99, 207044), (132, 155283), (191, 107316), (198, 103522), (271, 75636), (382, 53658), (396, 51761), (542, 37818), (573, 35772), (764, 26829), (813, 25212), (1084, 18909), (1146, 17886), (1626, 12606), (1719, 11924), (2101, 9756), (2292, 8943), (2439, 8404), (2981, 6876), (3252, 6303), (3438, 5962), (4202, 4878)]