20009340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 69346368

約数和(自身を除く): 49337028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 503, 510, 585, 612, 663, 765, 780, 884, 1006, 1020, 1105, 1170, 1326, 1509, 1530, 1989, 2012, 2210, 2340, 2515, 2652, 3018, 3060, 3315, 3978, 4420, 4527, 5030, 6036, 6539, 6630, 7545, 7956, 8551, 9054, 9945, 10060, 13078, 13260, 15090, 17102, 18108, 19617, 19890, 22635, 25653, 26156, 30180, 32695, 34204, 39234, 39780, 42755, 45270, 51306, 58851, 65390, 76959, 78468, 85510, 90540, 98085, 102612, 111163, 117702, 128265, 130780, 153918, 171020, 196170, 222326, 235404, 256530, 294255, 307836, 333489, 384795, 392340, 444652, 513060, 555815, 588510, 666978, 769590, 1000467, 1111630, 1177020, 1333956, 1539180, 1667445, 2000934, 2223260, 3334890, 4001868, 5002335, 6669780, 10004670, 20009340]

約数ペア:

[(1, 20009340), (2, 10004670), (3, 6669780), (4, 5002335), (5, 4001868), (6, 3334890), (9, 2223260), (10, 2000934), (12, 1667445), (13, 1539180), (15, 1333956), (17, 1177020), (18, 1111630), (20, 1000467), (26, 769590), (30, 666978), (34, 588510), (36, 555815), (39, 513060), (45, 444652), (51, 392340), (52, 384795), (60, 333489), (65, 307836), (68, 294255), (78, 256530), (85, 235404), (90, 222326), (102, 196170), (117, 171020), (130, 153918), (153, 130780), (156, 128265), (170, 117702), (180, 111163), (195, 102612), (204, 98085), (221, 90540), (234, 85510), (255, 78468), (260, 76959), (306, 65390), (340, 58851), (390, 51306), (442, 45270), (468, 42755), (503, 39780), (510, 39234), (585, 34204), (612, 32695), (663, 30180), (765, 26156), (780, 25653), (884, 22635), (1006, 19890), (1020, 19617), (1105, 18108), (1170, 17102), (1326, 15090), (1509, 13260), (1530, 13078), (1989, 10060), (2012, 9945), (2210, 9054), (2340, 8551), (2515, 7956), (2652, 7545), (3018, 6630), (3060, 6539), (3315, 6036), (3978, 5030), (4420, 4527)]