20121019896

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1\times {\mathrm{41281}}^1$

素因数の和:42196

約数の個数: 64

約数和(自身を含む): 52550334720

約数和(自身を除く): 32429314824

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 883, 1766, 2649, 3532, 5298, 7064, 10596, 20309, 21192, 40618, 41281, 60927, 81236, 82562, 121854, 123843, 162472, 165124, 243708, 247686, 330248, 487416, 495372, 949463, 990744, 1898926, 2848389, 3797852, 5696778, 7595704, 11393556, 22787112, 36451123, 72902246, 109353369, 145804492, 218706738, 291608984, 437413476, 838375829, 874826952, 1676751658, 2515127487, 3353503316, 5030254974, 6707006632, 10060509948, 20121019896]

約数ペア:

[(1, 20121019896), (2, 10060509948), (3, 6707006632), (4, 5030254974), (6, 3353503316), (8, 2515127487), (12, 1676751658), (23, 874826952), (24, 838375829), (46, 437413476), (69, 291608984), (92, 218706738), (138, 145804492), (184, 109353369), (276, 72902246), (552, 36451123), (883, 22787112), (1766, 11393556), (2649, 7595704), (3532, 5696778), (5298, 3797852), (7064, 2848389), (10596, 1898926), (20309, 990744), (21192, 949463), (40618, 495372), (41281, 487416), (60927, 330248), (81236, 247686), (82562, 243708), (121854, 165124), (123843, 162472)]