20009227545

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{8681}}^1$

素因数の和:8863

約数の個数: 96

約数和(自身を含む): 38616424704

約数和(自身を除く): 18607197159

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 131, 153, 207, 255, 345, 391, 393, 655, 765, 1035, 1173, 1179, 1955, 1965, 2227, 3013, 3519, 5865, 5895, 6681, 8681, 9039, 11135, 15065, 17595, 20043, 26043, 27117, 33405, 43405, 45195, 51221, 78129, 100215, 130215, 135585, 147577, 153663, 199663, 256105, 390645, 442731, 460989, 598989, 737885, 768315, 998315, 1137211, 1328193, 1796967, 2213655, 2304945, 2994945, 3394271, 3411633, 5686055, 6640965, 8984835, 10182813, 10234899, 16971355, 17058165, 19332587, 26155853, 30548439, 50914065, 51174495, 57997761, 78467559, 96662935, 130779265, 152742195, 173993283, 235402677, 289988805, 392337795, 444649501, 869966415, 1177013385, 1333948503, 2223247505, 4001845509, 6669742515, 20009227545]

約数ペア:

[(1, 20009227545), (3, 6669742515), (5, 4001845509), (9, 2223247505), (15, 1333948503), (17, 1177013385), (23, 869966415), (45, 444649501), (51, 392337795), (69, 289988805), (85, 235402677), (115, 173993283), (131, 152742195), (153, 130779265), (207, 96662935), (255, 78467559), (345, 57997761), (391, 51174495), (393, 50914065), (655, 30548439), (765, 26155853), (1035, 19332587), (1173, 17058165), (1179, 16971355), (1955, 10234899), (1965, 10182813), (2227, 8984835), (3013, 6640965), (3519, 5686055), (5865, 3411633), (5895, 3394271), (6681, 2994945), (8681, 2304945), (9039, 2213655), (11135, 1796967), (15065, 1328193), (17595, 1137211), (20043, 998315), (26043, 768315), (27117, 737885), (33405, 598989), (43405, 460989), (45195, 442731), (51221, 390645), (78129, 256105), (100215, 199663), (130215, 153663), (135585, 147577)]