20121848667

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 29999249280

約数和(自身を除く): 9877400613

約数列:

[1, 3, 9, 43, 129, 257, 307, 387, 659, 771, 921, 1977, 2313, 2763, 5931, 11051, 13201, 28337, 33153, 39603, 78899, 85011, 99459, 118809, 169363, 202313, 236697, 255033, 508089, 606939, 710091, 1524267, 1820817, 3392657, 7282609, 8699459, 10177971, 21847827, 26098377, 30533913, 51994441, 65543481, 78295131, 155983323, 467949969, 2235760963, 6707282889, 20121848667]

約数ペア:

[(1, 20121848667), (3, 6707282889), (9, 2235760963), (43, 467949969), (129, 155983323), (257, 78295131), (307, 65543481), (387, 51994441), (659, 30533913), (771, 26098377), (921, 21847827), (1977, 10177971), (2313, 8699459), (2763, 7282609), (5931, 3392657), (11051, 1820817), (13201, 1524267), (28337, 710091), (33153, 606939), (39603, 508089), (78899, 255033), (85011, 236697), (99459, 202313), (118809, 169363)]