20099880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:560

約数の個数: 128

約数和(自身を含む): 68947200

約数和(自身を除く): 48847320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 503, 540, 555, 666, 740, 888, 999, 1006, 1080, 1110, 1332, 1480, 1509, 1665, 1998, 2012, 2220, 2515, 2664, 3018, 3330, 3996, 4024, 4440, 4527, 4995, 5030, 6036, 6660, 7545, 7992, 9054, 9990, 10060, 12072, 13320, 13581, 15090, 18108, 18611, 19980, 20120, 22635, 27162, 30180, 36216, 37222, 39960, 45270, 54324, 55833, 60360, 67905, 74444, 90540, 93055, 108648, 111666, 135810, 148888, 167499, 181080, 186110, 223332, 271620, 279165, 334998, 372220, 446664, 502497, 543240, 558330, 669996, 744440, 837495, 1004994, 1116660, 1339992, 1674990, 2009988, 2233320, 2512485, 3349980, 4019976, 5024970, 6699960, 10049940, 20099880]

約数ペア:

[(1, 20099880), (2, 10049940), (3, 6699960), (4, 5024970), (5, 4019976), (6, 3349980), (8, 2512485), (9, 2233320), (10, 2009988), (12, 1674990), (15, 1339992), (18, 1116660), (20, 1004994), (24, 837495), (27, 744440), (30, 669996), (36, 558330), (37, 543240), (40, 502497), (45, 446664), (54, 372220), (60, 334998), (72, 279165), (74, 271620), (90, 223332), (108, 186110), (111, 181080), (120, 167499), (135, 148888), (148, 135810), (180, 111666), (185, 108648), (216, 93055), (222, 90540), (270, 74444), (296, 67905), (333, 60360), (360, 55833), (370, 54324), (444, 45270), (503, 39960), (540, 37222), (555, 36216), (666, 30180), (740, 27162), (888, 22635), (999, 20120), (1006, 19980), (1080, 18611), (1110, 18108), (1332, 15090), (1480, 13581), (1509, 13320), (1665, 12072), (1998, 10060), (2012, 9990), (2220, 9054), (2515, 7992), (2664, 7545), (3018, 6660), (3330, 6036), (3996, 5030), (4024, 4995), (4440, 4527)]