20382307785

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{7583}}^1$

素因数の和:7684

約数の個数: 144

約数和(自身を含む): 43699129344

約数和(自身を除く): 23316821559

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 49, 53, 63, 69, 105, 115, 147, 159, 161, 207, 245, 265, 315, 345, 371, 441, 477, 483, 735, 795, 805, 1035, 1113, 1127, 1219, 1449, 1855, 2205, 2385, 2415, 2597, 3339, 3381, 3657, 5565, 5635, 6095, 7245, 7583, 7791, 8533, 10143, 10971, 12985, 16695, 16905, 18285, 22749, 23373, 25599, 37915, 38955, 42665, 50715, 53081, 54855, 59731, 68247, 76797, 113745, 116865, 127995, 159243, 174409, 179193, 265405, 298655, 341235, 371567, 383985, 401899, 477729, 523227, 537579, 796215, 872045, 895965, 1114701, 1205697, 1220863, 1569681, 1857835, 2009495, 2388645, 2616135, 2687895, 2813293, 3344103, 3617091, 3662589, 5573505, 6028485, 6104315, 7848405, 8439879, 8546041, 9243677, 10987767, 14066465, 16720515, 18085455, 18312945, 19693051, 25319637, 25638123, 27731031, 42199395, 42730205, 46218385, 54938835, 59079153, 64705739, 76914369, 83193093, 98465255, 126598185, 128190615, 138655155, 177237459, 194117217, 295395765, 323528695, 384571845, 415965465, 452940173, 582351651, 886187295, 970586085, 1358820519, 2264700865, 2911758255, 4076461557, 6794102595, 20382307785]

約数ペア:

[(1, 20382307785), (3, 6794102595), (5, 4076461557), (7, 2911758255), (9, 2264700865), (15, 1358820519), (21, 970586085), (23, 886187295), (35, 582351651), (45, 452940173), (49, 415965465), (53, 384571845), (63, 323528695), (69, 295395765), (105, 194117217), (115, 177237459), (147, 138655155), (159, 128190615), (161, 126598185), (207, 98465255), (245, 83193093), (265, 76914369), (315, 64705739), (345, 59079153), (371, 54938835), (441, 46218385), (477, 42730205), (483, 42199395), (735, 27731031), (795, 25638123), (805, 25319637), (1035, 19693051), (1113, 18312945), (1127, 18085455), (1219, 16720515), (1449, 14066465), (1855, 10987767), (2205, 9243677), (2385, 8546041), (2415, 8439879), (2597, 7848405), (3339, 6104315), (3381, 6028485), (3657, 5573505), (5565, 3662589), (5635, 3617091), (6095, 3344103), (7245, 2813293), (7583, 2687895), (7791, 2616135), (8533, 2388645), (10143, 2009495), (10971, 1857835), (12985, 1569681), (16695, 1220863), (16905, 1205697), (18285, 1114701), (22749, 895965), (23373, 872045), (25599, 796215), (37915, 537579), (38955, 523227), (42665, 477729), (50715, 401899), (53081, 383985), (54855, 371567), (59731, 341235), (68247, 298655), (76797, 265405), (113745, 179193), (116865, 174409), (127995, 159243)]