20137535700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{6781}}^1$

素因数の和:7338

約数の個数: 144

約数和(自身を含む): 61457941440

約数和(自身を除く): 41320405740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 228, 285, 300, 380, 475, 521, 570, 950, 1042, 1140, 1425, 1563, 1900, 2084, 2605, 2850, 3126, 5210, 5700, 6252, 6781, 7815, 9899, 10420, 13025, 13562, 15630, 19798, 20343, 26050, 27124, 29697, 31260, 33905, 39075, 39596, 40686, 49495, 52100, 59394, 67810, 78150, 81372, 98990, 101715, 118788, 128839, 135620, 148485, 156300, 169525, 197980, 203430, 247475, 257678, 296970, 339050, 386517, 406860, 494950, 508575, 515356, 593940, 644195, 678100, 742425, 773034, 989900, 1017150, 1288390, 1484850, 1546068, 1932585, 2034300, 2576780, 2969700, 3220975, 3532901, 3865170, 6441950, 7065802, 7730340, 9662925, 10598703, 12883900, 14131604, 17664505, 19325850, 21197406, 35329010, 38651700, 42394812, 52993515, 67125119, 70658020, 88322525, 105987030, 134250238, 176645050, 201375357, 211974060, 264967575, 268500476, 335625595, 353290100, 402750714, 529935150, 671251190, 805501428, 1006876785, 1059870300, 1342502380, 1678127975, 2013753570, 3356255950, 4027507140, 5034383925, 6712511900, 10068767850, 20137535700]

約数ペア:

[(1, 20137535700), (2, 10068767850), (3, 6712511900), (4, 5034383925), (5, 4027507140), (6, 3356255950), (10, 2013753570), (12, 1678127975), (15, 1342502380), (19, 1059870300), (20, 1006876785), (25, 805501428), (30, 671251190), (38, 529935150), (50, 402750714), (57, 353290100), (60, 335625595), (75, 268500476), (76, 264967575), (95, 211974060), (100, 201375357), (114, 176645050), (150, 134250238), (190, 105987030), (228, 88322525), (285, 70658020), (300, 67125119), (380, 52993515), (475, 42394812), (521, 38651700), (570, 35329010), (950, 21197406), (1042, 19325850), (1140, 17664505), (1425, 14131604), (1563, 12883900), (1900, 10598703), (2084, 9662925), (2605, 7730340), (2850, 7065802), (3126, 6441950), (5210, 3865170), (5700, 3532901), (6252, 3220975), (6781, 2969700), (7815, 2576780), (9899, 2034300), (10420, 1932585), (13025, 1546068), (13562, 1484850), (15630, 1288390), (19798, 1017150), (20343, 989900), (26050, 773034), (27124, 742425), (29697, 678100), (31260, 644195), (33905, 593940), (39075, 515356), (39596, 508575), (40686, 494950), (49495, 406860), (52100, 386517), (59394, 339050), (67810, 296970), (78150, 257678), (81372, 247475), (98990, 203430), (101715, 197980), (118788, 169525), (128839, 156300), (135620, 148485)]