20001039916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{4969}}^1$

素因数の和:5255

約数の個数: 96

約数和(自身を含む): 42643077120

約数和(自身を除く): 22642037204

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 227, 286, 341, 403, 454, 572, 682, 806, 908, 1364, 1612, 2497, 2951, 4433, 4969, 4994, 5902, 7037, 8866, 9938, 9988, 11804, 14074, 17732, 19876, 28148, 32461, 54659, 64597, 64922, 77407, 91481, 109318, 129194, 129844, 154039, 154814, 182962, 218636, 258388, 308078, 309628, 365924, 616156, 710567, 1006291, 1127963, 1421134, 1694429, 2002507, 2012582, 2255926, 2842268, 3388858, 4005014, 4025164, 4511852, 6777716, 8010028, 12407593, 14663519, 22027577, 24815186, 29327038, 34966853, 44055154, 49630372, 58654076, 69933706, 88110308, 139867412, 161298709, 322597418, 384635383, 454569089, 645194836, 769270766, 909138178, 1538541532, 1818276356, 5000259979, 10000519958, 20001039916]

約数ペア:

[(1, 20001039916), (2, 10000519958), (4, 5000259979), (11, 1818276356), (13, 1538541532), (22, 909138178), (26, 769270766), (31, 645194836), (44, 454569089), (52, 384635383), (62, 322597418), (124, 161298709), (143, 139867412), (227, 88110308), (286, 69933706), (341, 58654076), (403, 49630372), (454, 44055154), (572, 34966853), (682, 29327038), (806, 24815186), (908, 22027577), (1364, 14663519), (1612, 12407593), (2497, 8010028), (2951, 6777716), (4433, 4511852), (4969, 4025164), (4994, 4005014), (5902, 3388858), (7037, 2842268), (8866, 2255926), (9938, 2012582), (9988, 2002507), (11804, 1694429), (14074, 1421134), (17732, 1127963), (19876, 1006291), (28148, 710567), (32461, 616156), (54659, 365924), (64597, 309628), (64922, 308078), (77407, 258388), (91481, 218636), (109318, 182962), (129194, 154814), (129844, 154039)]