20746864560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{64081}}^1$

素因数の和:64187

約数の個数: 160

約数和(自身を含む): 68654891520

約数和(自身を除く): 47908026960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 71, 76, 80, 95, 114, 120, 142, 152, 190, 213, 228, 240, 284, 285, 304, 355, 380, 426, 456, 568, 570, 710, 760, 852, 912, 1065, 1136, 1140, 1349, 1420, 1520, 1704, 2130, 2280, 2698, 2840, 3408, 4047, 4260, 4560, 5396, 5680, 6745, 8094, 8520, 10792, 13490, 16188, 17040, 20235, 21584, 26980, 32376, 40470, 53960, 64081, 64752, 80940, 107920, 128162, 161880, 192243, 256324, 320405, 323760, 384486, 512648, 640810, 768972, 961215, 1025296, 1217539, 1281620, 1537944, 1922430, 2435078, 2563240, 3075888, 3652617, 3844860, 4549751, 4870156, 5126480, 6087695, 7305234, 7689720, 9099502, 9740312, 12175390, 13649253, 14610468, 15379440, 18199004, 18263085, 19480624, 22748755, 24350780, 27298506, 29220936, 36398008, 36526170, 45497510, 48701560, 54597012, 58441872, 68246265, 72796016, 73052340, 86445269, 90995020, 97403120, 109194024, 136492530, 146104680, 172890538, 181990040, 218388048, 259335807, 272985060, 292209360, 345781076, 363980080, 432226345, 518671614, 545970120, 691562152, 864452690, 1037343228, 1091940240, 1296679035, 1383124304, 1728905380, 2074686456, 2593358070, 3457810760, 4149372912, 5186716140, 6915621520, 10373432280, 20746864560]

約数ペア:

[(1, 20746864560), (2, 10373432280), (3, 6915621520), (4, 5186716140), (5, 4149372912), (6, 3457810760), (8, 2593358070), (10, 2074686456), (12, 1728905380), (15, 1383124304), (16, 1296679035), (19, 1091940240), (20, 1037343228), (24, 864452690), (30, 691562152), (38, 545970120), (40, 518671614), (48, 432226345), (57, 363980080), (60, 345781076), (71, 292209360), (76, 272985060), (80, 259335807), (95, 218388048), (114, 181990040), (120, 172890538), (142, 146104680), (152, 136492530), (190, 109194024), (213, 97403120), (228, 90995020), (240, 86445269), (284, 73052340), (285, 72796016), (304, 68246265), (355, 58441872), (380, 54597012), (426, 48701560), (456, 45497510), (568, 36526170), (570, 36398008), (710, 29220936), (760, 27298506), (852, 24350780), (912, 22748755), (1065, 19480624), (1136, 18263085), (1140, 18199004), (1349, 15379440), (1420, 14610468), (1520, 13649253), (1704, 12175390), (2130, 9740312), (2280, 9099502), (2698, 7689720), (2840, 7305234), (3408, 6087695), (4047, 5126480), (4260, 4870156), (4560, 4549751), (5396, 3844860), (5680, 3652617), (6745, 3075888), (8094, 2563240), (8520, 2435078), (10792, 1922430), (13490, 1537944), (16188, 1281620), (17040, 1217539), (20235, 1025296), (21584, 961215), (26980, 768972), (32376, 640810), (40470, 512648), (53960, 384486), (64081, 323760), (64752, 320405), (80940, 256324), (107920, 192243), (128162, 161880)]