20057700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 64648640

約数和(自身を除く): 44590940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 37, 39, 50, 52, 60, 65, 74, 75, 78, 100, 111, 130, 139, 148, 150, 156, 185, 195, 222, 260, 278, 300, 325, 370, 390, 417, 444, 481, 555, 556, 650, 695, 740, 780, 834, 925, 962, 975, 1110, 1300, 1390, 1443, 1668, 1807, 1850, 1924, 1950, 2085, 2220, 2405, 2775, 2780, 2886, 3475, 3614, 3700, 3900, 4170, 4810, 5143, 5421, 5550, 5772, 6950, 7215, 7228, 8340, 9035, 9620, 10286, 10425, 10842, 11100, 12025, 13900, 14430, 15429, 18070, 20572, 20850, 21684, 24050, 25715, 27105, 28860, 30858, 36075, 36140, 41700, 45175, 48100, 51430, 54210, 61716, 66859, 72150, 77145, 90350, 102860, 108420, 128575, 133718, 135525, 144300, 154290, 180700, 200577, 257150, 267436, 271050, 308580, 334295, 385725, 401154, 514300, 542100, 668590, 771450, 802308, 1002885, 1337180, 1542900, 1671475, 2005770, 3342950, 4011540, 5014425, 6685900, 10028850, 20057700]

約数ペア:

[(1, 20057700), (2, 10028850), (3, 6685900), (4, 5014425), (5, 4011540), (6, 3342950), (10, 2005770), (12, 1671475), (13, 1542900), (15, 1337180), (20, 1002885), (25, 802308), (26, 771450), (30, 668590), (37, 542100), (39, 514300), (50, 401154), (52, 385725), (60, 334295), (65, 308580), (74, 271050), (75, 267436), (78, 257150), (100, 200577), (111, 180700), (130, 154290), (139, 144300), (148, 135525), (150, 133718), (156, 128575), (185, 108420), (195, 102860), (222, 90350), (260, 77145), (278, 72150), (300, 66859), (325, 61716), (370, 54210), (390, 51430), (417, 48100), (444, 45175), (481, 41700), (555, 36140), (556, 36075), (650, 30858), (695, 28860), (740, 27105), (780, 25715), (834, 24050), (925, 21684), (962, 20850), (975, 20572), (1110, 18070), (1300, 15429), (1390, 14430), (1443, 13900), (1668, 12025), (1807, 11100), (1850, 10842), (1924, 10425), (1950, 10286), (2085, 9620), (2220, 9035), (2405, 8340), (2775, 7228), (2780, 7215), (2886, 6950), (3475, 5772), (3614, 5550), (3700, 5421), (3900, 5143), (4170, 4810)]