20020251654

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{9697}}^1$

素因数の和:9911

約数の個数: 128

約数和(自身を含む): 51028548480

約数和(自身を除く): 31008296826

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 117, 153, 173, 221, 234, 306, 346, 351, 442, 459, 519, 663, 702, 918, 1038, 1326, 1557, 1989, 2249, 2941, 3114, 3978, 4498, 4671, 5882, 5967, 6747, 8823, 9342, 9697, 11934, 13494, 17646, 19394, 20241, 26469, 29091, 38233, 40482, 52938, 58182, 60723, 76466, 79407, 87273, 114699, 121446, 126061, 158814, 164849, 174546, 229398, 252122, 261819, 329698, 344097, 378183, 494547, 523638, 688194, 756366, 989094, 1032291, 1134549, 1483641, 1677581, 2064582, 2143037, 2269098, 2967282, 3355162, 3403647, 4286074, 4450923, 5032743, 6429111, 6807294, 8901846, 10065486, 12858222, 15098229, 19287333, 21808553, 28518877, 30196458, 38574666, 43617106, 45294687, 57037754, 57861999, 65425659, 85556631, 90589374, 115723998, 130851318, 171113262, 196276977, 256669893, 370745401, 392553954, 513339786, 588830931, 741490802, 770009679, 1112236203, 1177661862, 1540019358, 2224472406, 3336708609, 6673417218, 10010125827, 20020251654]

約数ペア:

[(1, 20020251654), (2, 10010125827), (3, 6673417218), (6, 3336708609), (9, 2224472406), (13, 1540019358), (17, 1177661862), (18, 1112236203), (26, 770009679), (27, 741490802), (34, 588830931), (39, 513339786), (51, 392553954), (54, 370745401), (78, 256669893), (102, 196276977), (117, 171113262), (153, 130851318), (173, 115723998), (221, 90589374), (234, 85556631), (306, 65425659), (346, 57861999), (351, 57037754), (442, 45294687), (459, 43617106), (519, 38574666), (663, 30196458), (702, 28518877), (918, 21808553), (1038, 19287333), (1326, 15098229), (1557, 12858222), (1989, 10065486), (2249, 8901846), (2941, 6807294), (3114, 6429111), (3978, 5032743), (4498, 4450923), (4671, 4286074), (5882, 3403647), (5967, 3355162), (6747, 2967282), (8823, 2269098), (9342, 2143037), (9697, 2064582), (11934, 1677581), (13494, 1483641), (17646, 1134549), (19394, 1032291), (20241, 989094), (26469, 756366), (29091, 688194), (38233, 523638), (40482, 494547), (52938, 378183), (58182, 344097), (60723, 329698), (76466, 261819), (79407, 252122), (87273, 229398), (114699, 174546), (121446, 164849), (126061, 158814)]