20005978356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{907}}^1\times {\mathrm{6733}}^1$

素因数の和:7670

約数の個数: 144

約数和(自身を含む): 62318698624

約数和(自身を除く): 42312720268

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 907, 1092, 1638, 1814, 2721, 3276, 3628, 5442, 6349, 6733, 8163, 10884, 11791, 12698, 13466, 16326, 19047, 20199, 23582, 25396, 26932, 32652, 35373, 38094, 40398, 47131, 47164, 57141, 60597, 70746, 76188, 80796, 82537, 87529, 94262, 106119, 114282, 121194, 141393, 141492, 165074, 175058, 188524, 212238, 228564, 242388, 247611, 262587, 282786, 330148, 350116, 424179, 424476, 495222, 525174, 565572, 612703, 742833, 787761, 848358, 990444, 1050348, 1225406, 1485666, 1575522, 1696716, 1838109, 2450812, 2971332, 3151044, 3676218, 5514327, 6106831, 7352436, 11028654, 12213662, 18320493, 22057308, 24427324, 36640986, 42747817, 54961479, 73281972, 79388803, 85495634, 109922958, 128243451, 158777606, 170991268, 219845916, 238166409, 256486902, 317555212, 384730353, 476332818, 512973804, 555721621, 714499227, 769460706, 952665636, 1111443242, 1428998454, 1538921412, 1667164863, 2222886484, 2857996908, 3334329726, 5001494589, 6668659452, 10002989178, 20005978356]

約数ペア:

[(1, 20005978356), (2, 10002989178), (3, 6668659452), (4, 5001494589), (6, 3334329726), (7, 2857996908), (9, 2222886484), (12, 1667164863), (13, 1538921412), (14, 1428998454), (18, 1111443242), (21, 952665636), (26, 769460706), (28, 714499227), (36, 555721621), (39, 512973804), (42, 476332818), (52, 384730353), (63, 317555212), (78, 256486902), (84, 238166409), (91, 219845916), (117, 170991268), (126, 158777606), (156, 128243451), (182, 109922958), (234, 85495634), (252, 79388803), (273, 73281972), (364, 54961479), (468, 42747817), (546, 36640986), (819, 24427324), (907, 22057308), (1092, 18320493), (1638, 12213662), (1814, 11028654), (2721, 7352436), (3276, 6106831), (3628, 5514327), (5442, 3676218), (6349, 3151044), (6733, 2971332), (8163, 2450812), (10884, 1838109), (11791, 1696716), (12698, 1575522), (13466, 1485666), (16326, 1225406), (19047, 1050348), (20199, 990444), (23582, 848358), (25396, 787761), (26932, 742833), (32652, 612703), (35373, 565572), (38094, 525174), (40398, 495222), (47131, 424476), (47164, 424179), (57141, 350116), (60597, 330148), (70746, 282786), (76188, 262587), (80796, 247611), (82537, 242388), (87529, 228564), (94262, 212238), (106119, 188524), (114282, 175058), (121194, 165074), (141393, 141492)]