20266219680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{861659}}^1$

素因数の和:861691

約数の個数: 144

約数和(自身を含む): 74261305440

約数和(自身を除く): 53995085760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 23520, 861659, 1723318, 2584977, 3446636, 4308295, 5169954, 6031613, 6893272, 8616590, 10339908, 12063226, 12924885, 13786544, 17233180, 18094839, 20679816, 24126452, 25849770, 27573088, 30158065, 34466360, 36189678, 41359632, 42221291, 48252904, 51699540, 60316130, 68932720, 72379356, 82719264, 84442582, 90474195, 96505808, 103399080, 120632260, 126663873, 137865440, 144758712, 168885164, 180948390, 193011616, 206798160, 211106455, 241264520, 253327746, 289517424, 337770328, 361896780, 413596320, 422212910, 482529040, 506655492, 579034848, 633319365, 675540656, 723793560, 844425820, 965058080, 1013310984, 1266638730, 1351081312, 1447587120, 1688851640, 2026621968, 2533277460, 2895174240, 3377703280, 4053243936, 5066554920, 6755406560, 10133109840, 20266219680]

約数ペア:

[(1, 20266219680), (2, 10133109840), (3, 6755406560), (4, 5066554920), (5, 4053243936), (6, 3377703280), (7, 2895174240), (8, 2533277460), (10, 2026621968), (12, 1688851640), (14, 1447587120), (15, 1351081312), (16, 1266638730), (20, 1013310984), (21, 965058080), (24, 844425820), (28, 723793560), (30, 675540656), (32, 633319365), (35, 579034848), (40, 506655492), (42, 482529040), (48, 422212910), (49, 413596320), (56, 361896780), (60, 337770328), (70, 289517424), (80, 253327746), (84, 241264520), (96, 211106455), (98, 206798160), (105, 193011616), (112, 180948390), (120, 168885164), (140, 144758712), (147, 137865440), (160, 126663873), (168, 120632260), (196, 103399080), (210, 96505808), (224, 90474195), (240, 84442582), (245, 82719264), (280, 72379356), (294, 68932720), (336, 60316130), (392, 51699540), (420, 48252904), (480, 42221291), (490, 41359632), (560, 36189678), (588, 34466360), (672, 30158065), (735, 27573088), (784, 25849770), (840, 24126452), (980, 20679816), (1120, 18094839), (1176, 17233180), (1470, 13786544), (1568, 12924885), (1680, 12063226), (1960, 10339908), (2352, 8616590), (2940, 6893272), (3360, 6031613), (3920, 5169954), (4704, 4308295), (5880, 3446636), (7840, 2584977), (11760, 1723318), (23520, 861659)]