20344038

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 48432384

約数和(自身を除く): 28088346

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 131, 143, 181, 262, 286, 362, 393, 429, 543, 786, 858, 1086, 1441, 1703, 1991, 2353, 2882, 3406, 3982, 4323, 4706, 5109, 5973, 7059, 8646, 10218, 11946, 14118, 18733, 23711, 25883, 37466, 47422, 51766, 56199, 71133, 77649, 112398, 142266, 155298, 260821, 308243, 521642, 616486, 782463, 924729, 1564926, 1849458, 3390673, 6781346, 10172019, 20344038]

約数ペア:

[(1, 20344038), (2, 10172019), (3, 6781346), (6, 3390673), (11, 1849458), (13, 1564926), (22, 924729), (26, 782463), (33, 616486), (39, 521642), (66, 308243), (78, 260821), (131, 155298), (143, 142266), (181, 112398), (262, 77649), (286, 71133), (362, 56199), (393, 51766), (429, 47422), (543, 37466), (786, 25883), (858, 23711), (1086, 18733), (1441, 14118), (1703, 11946), (1991, 10218), (2353, 8646), (2882, 7059), (3406, 5973), (3982, 5109), (4323, 4706)]