20903982

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 49932288

約数和(自身を除く): 29028306

約数列:

[1, 2, 3, 6, 11, 17, 22, 31, 33, 34, 51, 62, 66, 93, 102, 186, 187, 341, 374, 527, 561, 601, 682, 1023, 1054, 1122, 1202, 1581, 1803, 2046, 3162, 3606, 5797, 6611, 10217, 11594, 13222, 17391, 18631, 19833, 20434, 30651, 34782, 37262, 39666, 55893, 61302, 111786, 112387, 204941, 224774, 316727, 337161, 409882, 614823, 633454, 674322, 950181, 1229646, 1900362, 3483997, 6967994, 10451991, 20903982]

約数ペア:

[(1, 20903982), (2, 10451991), (3, 6967994), (6, 3483997), (11, 1900362), (17, 1229646), (22, 950181), (31, 674322), (33, 633454), (34, 614823), (51, 409882), (62, 337161), (66, 316727), (93, 224774), (102, 204941), (186, 112387), (187, 111786), (341, 61302), (374, 55893), (527, 39666), (561, 37262), (601, 34782), (682, 30651), (1023, 20434), (1054, 19833), (1122, 18631), (1202, 17391), (1581, 13222), (1803, 11594), (2046, 10217), (3162, 6611), (3606, 5797)]