20193394240

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3712021}}^1$

素因数の和:3712055

約数の個数: 56

約数和(自身を含む): 50914093752

約数和(自身を除く): 30720699512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 3712021, 7424042, 14848084, 18560105, 29696168, 37120210, 59392336, 63104357, 74240420, 118784672, 126208714, 148480840, 237569344, 252417428, 296961680, 315521785, 504834856, 593923360, 631043570, 1009669712, 1187846720, 1262087140, 2019339424, 2524174280, 4038678848, 5048348560, 10096697120, 20193394240]

約数ペア:

[(1, 20193394240), (2, 10096697120), (4, 5048348560), (5, 4038678848), (8, 2524174280), (10, 2019339424), (16, 1262087140), (17, 1187846720), (20, 1009669712), (32, 631043570), (34, 593923360), (40, 504834856), (64, 315521785), (68, 296961680), (80, 252417428), (85, 237569344), (136, 148480840), (160, 126208714), (170, 118784672), (272, 74240420), (320, 63104357), (340, 59392336), (544, 37120210), (680, 29696168), (1088, 18560105), (1360, 14848084), (2720, 7424042), (5440, 3712021)]