20784597480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{40459}}^1$

素因数の和:41903

約数の個数: 96

約数和(自身を含む): 67598949600

約数和(自身を除く): 46814352120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1427, 2854, 4281, 5708, 7135, 8562, 11416, 12843, 14270, 17124, 21405, 25686, 28540, 34248, 40459, 42810, 51372, 57080, 64215, 80918, 85620, 102744, 121377, 128430, 161836, 171240, 202295, 242754, 256860, 323672, 364131, 404590, 485508, 513720, 606885, 728262, 809180, 971016, 1213770, 1456524, 1618360, 1820655, 2427540, 2913048, 3641310, 4855080, 7282620, 14565240, 57734993, 115469986, 173204979, 230939972, 288674965, 346409958, 461879944, 519614937, 577349930, 692819916, 866024895, 1039229874, 1154699860, 1385639832, 1732049790, 2078459748, 2309399720, 2598074685, 3464099580, 4156919496, 5196149370, 6928199160, 10392298740, 20784597480]

約数ペア:

[(1, 20784597480), (2, 10392298740), (3, 6928199160), (4, 5196149370), (5, 4156919496), (6, 3464099580), (8, 2598074685), (9, 2309399720), (10, 2078459748), (12, 1732049790), (15, 1385639832), (18, 1154699860), (20, 1039229874), (24, 866024895), (30, 692819916), (36, 577349930), (40, 519614937), (45, 461879944), (60, 346409958), (72, 288674965), (90, 230939972), (120, 173204979), (180, 115469986), (360, 57734993), (1427, 14565240), (2854, 7282620), (4281, 4855080), (5708, 3641310), (7135, 2913048), (8562, 2427540), (11416, 1820655), (12843, 1618360), (14270, 1456524), (17124, 1213770), (21405, 971016), (25686, 809180), (28540, 728262), (34248, 606885), (40459, 513720), (42810, 485508), (51372, 404590), (57080, 364131), (64215, 323672), (80918, 256860), (85620, 242754), (102744, 202295), (121377, 171240), (128430, 161836)]