20187141520

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{56591}}^1$

素因数の和:56638

約数の個数: 160

約数和(自身を含む): 58946227200

約数和(自身を除く): 38759085680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 343, 364, 392, 455, 490, 520, 560, 637, 686, 728, 784, 910, 980, 1040, 1274, 1372, 1456, 1715, 1820, 1960, 2548, 2744, 3185, 3430, 3640, 3920, 4459, 5096, 5488, 6370, 6860, 7280, 8918, 10192, 12740, 13720, 17836, 22295, 25480, 27440, 35672, 44590, 50960, 56591, 71344, 89180, 113182, 178360, 226364, 282955, 356720, 396137, 452728, 565910, 735683, 792274, 905456, 1131820, 1471366, 1584548, 1980685, 2263640, 2772959, 2942732, 3169096, 3678415, 3961370, 4527280, 5149781, 5545918, 5885464, 6338192, 7356830, 7922740, 10299562, 11091836, 11770928, 13864795, 14713660, 15845480, 19410713, 20599124, 22183672, 25748905, 27729590, 29427320, 31690960, 36048467, 38821426, 41198248, 44367344, 51497810, 55459180, 58854640, 72096934, 77642852, 82396496, 97053565, 102995620, 110918360, 144193868, 155285704, 180242335, 194107130, 205991240, 221836720, 252339269, 288387736, 310571408, 360484670, 388214260, 411982480, 504678538, 576775472, 720969340, 776428520, 1009357076, 1261696345, 1441938680, 1552857040, 2018714152, 2523392690, 2883877360, 4037428304, 5046785380, 10093570760, 20187141520]

約数ペア:

[(1, 20187141520), (2, 10093570760), (4, 5046785380), (5, 4037428304), (7, 2883877360), (8, 2523392690), (10, 2018714152), (13, 1552857040), (14, 1441938680), (16, 1261696345), (20, 1009357076), (26, 776428520), (28, 720969340), (35, 576775472), (40, 504678538), (49, 411982480), (52, 388214260), (56, 360484670), (65, 310571408), (70, 288387736), (80, 252339269), (91, 221836720), (98, 205991240), (104, 194107130), (112, 180242335), (130, 155285704), (140, 144193868), (182, 110918360), (196, 102995620), (208, 97053565), (245, 82396496), (260, 77642852), (280, 72096934), (343, 58854640), (364, 55459180), (392, 51497810), (455, 44367344), (490, 41198248), (520, 38821426), (560, 36048467), (637, 31690960), (686, 29427320), (728, 27729590), (784, 25748905), (910, 22183672), (980, 20599124), (1040, 19410713), (1274, 15845480), (1372, 14713660), (1456, 13864795), (1715, 11770928), (1820, 11091836), (1960, 10299562), (2548, 7922740), (2744, 7356830), (3185, 6338192), (3430, 5885464), (3640, 5545918), (3920, 5149781), (4459, 4527280), (5096, 3961370), (5488, 3678415), (6370, 3169096), (6860, 2942732), (7280, 2772959), (8918, 2263640), (10192, 1980685), (12740, 1584548), (13720, 1471366), (17836, 1131820), (22295, 905456), (25480, 792274), (27440, 735683), (35672, 565910), (44590, 452728), (50960, 396137), (56591, 356720), (71344, 282955), (89180, 226364), (113182, 178360)]