20218356

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 56448000

約数和(自身を除く): 36229644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 59, 76, 108, 114, 118, 167, 171, 177, 228, 236, 334, 342, 354, 501, 513, 531, 668, 684, 708, 1002, 1026, 1062, 1121, 1503, 1593, 2004, 2052, 2124, 2242, 3006, 3173, 3186, 3363, 4484, 4509, 6012, 6346, 6372, 6726, 9018, 9519, 9853, 10089, 12692, 13452, 18036, 19038, 19706, 20178, 28557, 29559, 30267, 38076, 39412, 40356, 57114, 59118, 60534, 85671, 88677, 114228, 118236, 121068, 171342, 177354, 187207, 266031, 342684, 354708, 374414, 532062, 561621, 748828, 1064124, 1123242, 1684863, 2246484, 3369726, 5054589, 6739452, 10109178, 20218356]

約数ペア:

[(1, 20218356), (2, 10109178), (3, 6739452), (4, 5054589), (6, 3369726), (9, 2246484), (12, 1684863), (18, 1123242), (19, 1064124), (27, 748828), (36, 561621), (38, 532062), (54, 374414), (57, 354708), (59, 342684), (76, 266031), (108, 187207), (114, 177354), (118, 171342), (167, 121068), (171, 118236), (177, 114228), (228, 88677), (236, 85671), (334, 60534), (342, 59118), (354, 57114), (501, 40356), (513, 39412), (531, 38076), (668, 30267), (684, 29559), (708, 28557), (1002, 20178), (1026, 19706), (1062, 19038), (1121, 18036), (1503, 13452), (1593, 12692), (2004, 10089), (2052, 9853), (2124, 9519), (2242, 9018), (3006, 6726), (3173, 6372), (3186, 6346), (3363, 6012), (4484, 4509)]