20199407265

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:816

約数の個数: 128

約数和(自身を含む): 38086848000

約数和(自身を除く): 17887440735

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 59, 87, 135, 145, 157, 177, 261, 295, 435, 471, 531, 557, 783, 785, 885, 1305, 1413, 1593, 1671, 1711, 2355, 2655, 2785, 3915, 4239, 4553, 5013, 5133, 7065, 7965, 8355, 8555, 9263, 13659, 15039, 15399, 16153, 21195, 22765, 25065, 25665, 27789, 32863, 40977, 46197, 46315, 48459, 68295, 75195, 76995, 80765, 83367, 87449, 98589, 122931, 138945, 145377, 164315, 204885, 230985, 242295, 250101, 262347, 268627, 295767, 416835, 436131, 437245, 492945, 614655, 726885, 787041, 805881, 887301, 953027, 1250505, 1311735, 1343135, 1478835, 2180655, 2361123, 2417643, 2536021, 2859081, 3935205, 4029405, 4436505, 4765135, 5159491, 7252929, 7608063, 8577243, 11805615, 12088215, 12680105, 14295405, 15478473, 22824189, 25731729, 25797455, 36264645, 38040315, 42886215, 46435419, 68472567, 77392365, 114120945, 128658645, 139306257, 149625239, 232177095, 342362835, 448875717, 696531285, 748126195, 1346627151, 2244378585, 4039881453, 6733135755, 20199407265]

約数ペア:

[(1, 20199407265), (3, 6733135755), (5, 4039881453), (9, 2244378585), (15, 1346627151), (27, 748126195), (29, 696531285), (45, 448875717), (59, 342362835), (87, 232177095), (135, 149625239), (145, 139306257), (157, 128658645), (177, 114120945), (261, 77392365), (295, 68472567), (435, 46435419), (471, 42886215), (531, 38040315), (557, 36264645), (783, 25797455), (785, 25731729), (885, 22824189), (1305, 15478473), (1413, 14295405), (1593, 12680105), (1671, 12088215), (1711, 11805615), (2355, 8577243), (2655, 7608063), (2785, 7252929), (3915, 5159491), (4239, 4765135), (4553, 4436505), (5013, 4029405), (5133, 3935205), (7065, 2859081), (7965, 2536021), (8355, 2417643), (8555, 2361123), (9263, 2180655), (13659, 1478835), (15039, 1343135), (15399, 1311735), (16153, 1250505), (21195, 953027), (22765, 887301), (25065, 805881), (25665, 787041), (27789, 726885), (32863, 614655), (40977, 492945), (46197, 437245), (46315, 436131), (48459, 416835), (68295, 295767), (75195, 268627), (76995, 262347), (80765, 250101), (83367, 242295), (87449, 230985), (98589, 204885), (122931, 164315), (138945, 145377)]