20199609340

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1\times {\mathrm{523}}^1$

素因数の和:1123

約数の個数: 96

約数和(自身を含む): 43924446720

約数和(自身を除く): 23724837380

約数列:

[1, 2, 4, 5, 10, 20, 59, 71, 118, 142, 236, 284, 295, 355, 461, 523, 590, 710, 922, 1046, 1180, 1420, 1844, 2092, 2305, 2615, 4189, 4610, 5230, 8378, 9220, 10460, 16756, 20945, 27199, 30857, 32731, 37133, 41890, 54398, 61714, 65462, 74266, 83780, 108796, 123428, 130924, 135995, 148532, 154285, 163655, 185665, 241103, 271990, 308570, 327310, 371330, 482206, 543980, 617140, 654620, 742660, 964412, 1205515, 1931129, 2190847, 2411030, 3862258, 4381694, 4822060, 7724516, 8763388, 9655645, 10954235, 14225077, 17118313, 19311290, 21908470, 28450154, 34236626, 38622580, 43816940, 56900308, 68473252, 71125385, 85591565, 142250770, 171183130, 284501540, 342366260, 1009980467, 2019960934, 4039921868, 5049902335, 10099804670, 20199609340]

約数ペア:

[(1, 20199609340), (2, 10099804670), (4, 5049902335), (5, 4039921868), (10, 2019960934), (20, 1009980467), (59, 342366260), (71, 284501540), (118, 171183130), (142, 142250770), (236, 85591565), (284, 71125385), (295, 68473252), (355, 56900308), (461, 43816940), (523, 38622580), (590, 34236626), (710, 28450154), (922, 21908470), (1046, 19311290), (1180, 17118313), (1420, 14225077), (1844, 10954235), (2092, 9655645), (2305, 8763388), (2615, 7724516), (4189, 4822060), (4610, 4381694), (5230, 3862258), (8378, 2411030), (9220, 2190847), (10460, 1931129), (16756, 1205515), (20945, 964412), (27199, 742660), (30857, 654620), (32731, 617140), (37133, 543980), (41890, 482206), (54398, 371330), (61714, 327310), (65462, 308570), (74266, 271990), (83780, 241103), (108796, 185665), (123428, 163655), (130924, 154285), (135995, 148532)]