20234080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 52091424

約数和(自身を除く): 31857344

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 68, 80, 85, 86, 136, 160, 170, 172, 173, 215, 272, 340, 344, 346, 430, 544, 680, 688, 692, 731, 860, 865, 1360, 1376, 1384, 1462, 1720, 1730, 2720, 2768, 2924, 2941, 3440, 3460, 3655, 5536, 5848, 5882, 6880, 6920, 7310, 7439, 11696, 11764, 13840, 14620, 14705, 14878, 23392, 23528, 27680, 29240, 29410, 29756, 37195, 47056, 58480, 58820, 59512, 74390, 94112, 116960, 117640, 119024, 126463, 148780, 235280, 238048, 252926, 297560, 470560, 505852, 595120, 632315, 1011704, 1190240, 1264630, 2023408, 2529260, 4046816, 5058520, 10117040, 20234080]

約数ペア:

[(1, 20234080), (2, 10117040), (4, 5058520), (5, 4046816), (8, 2529260), (10, 2023408), (16, 1264630), (17, 1190240), (20, 1011704), (32, 632315), (34, 595120), (40, 505852), (43, 470560), (68, 297560), (80, 252926), (85, 238048), (86, 235280), (136, 148780), (160, 126463), (170, 119024), (172, 117640), (173, 116960), (215, 94112), (272, 74390), (340, 59512), (344, 58820), (346, 58480), (430, 47056), (544, 37195), (680, 29756), (688, 29410), (692, 29240), (731, 27680), (860, 23528), (865, 23392), (1360, 14878), (1376, 14705), (1384, 14620), (1462, 13840), (1720, 11764), (1730, 11696), (2720, 7439), (2768, 7310), (2924, 6920), (2941, 6880), (3440, 5882), (3460, 5848), (3655, 5536)]