20908386108

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{1093}}^1$

素因数の和:1476

約数の個数: 144

約数和(自身を含む): 55699268352

約数和(自身を除く): 34790882244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 61, 62, 93, 122, 124, 183, 186, 244, 279, 281, 366, 372, 549, 558, 562, 732, 843, 1093, 1098, 1116, 1124, 1686, 1891, 2186, 2196, 2529, 3279, 3372, 3782, 4372, 5058, 5673, 6558, 7564, 8711, 9837, 10116, 11346, 13116, 17019, 17141, 17422, 19674, 22692, 26133, 33883, 34038, 34282, 34844, 39348, 51423, 52266, 66673, 67766, 68076, 68564, 78399, 101649, 102846, 104532, 133346, 135532, 154269, 156798, 200019, 203298, 205692, 266692, 304947, 307133, 308538, 313596, 400038, 406596, 531371, 600057, 609894, 614266, 617076, 800076, 921399, 1062742, 1200114, 1219788, 1228532, 1594113, 1842798, 2066863, 2125484, 2400228, 2764197, 3188226, 3685596, 4133726, 4782339, 5528394, 6200589, 6376452, 8267452, 9521123, 9564678, 11056788, 12401178, 18601767, 18735113, 19042246, 19129356, 24802356, 28563369, 37203534, 37470226, 38084492, 56205339, 57126738, 74407068, 74940452, 85690107, 112410678, 114253476, 168616017, 171380214, 224821356, 337232034, 342760428, 580788503, 674464068, 1161577006, 1742365509, 2323154012, 3484731018, 5227096527, 6969462036, 10454193054, 20908386108]

約数ペア:

[(1, 20908386108), (2, 10454193054), (3, 6969462036), (4, 5227096527), (6, 3484731018), (9, 2323154012), (12, 1742365509), (18, 1161577006), (31, 674464068), (36, 580788503), (61, 342760428), (62, 337232034), (93, 224821356), (122, 171380214), (124, 168616017), (183, 114253476), (186, 112410678), (244, 85690107), (279, 74940452), (281, 74407068), (366, 57126738), (372, 56205339), (549, 38084492), (558, 37470226), (562, 37203534), (732, 28563369), (843, 24802356), (1093, 19129356), (1098, 19042246), (1116, 18735113), (1124, 18601767), (1686, 12401178), (1891, 11056788), (2186, 9564678), (2196, 9521123), (2529, 8267452), (3279, 6376452), (3372, 6200589), (3782, 5528394), (4372, 4782339), (5058, 4133726), (5673, 3685596), (6558, 3188226), (7564, 2764197), (8711, 2400228), (9837, 2125484), (10116, 2066863), (11346, 1842798), (13116, 1594113), (17019, 1228532), (17141, 1219788), (17422, 1200114), (19674, 1062742), (22692, 921399), (26133, 800076), (33883, 617076), (34038, 614266), (34282, 609894), (34844, 600057), (39348, 531371), (51423, 406596), (52266, 400038), (66673, 313596), (67766, 308538), (68076, 307133), (68564, 304947), (78399, 266692), (101649, 205692), (102846, 203298), (104532, 200019), (133346, 156798), (135532, 154269)]