20528068428

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{373}}^1\times {\mathrm{4457}}^1$

素因数の和:4861

約数の個数: 144

約数和(自身を含む): 60689428800

約数和(自身を除く): 40161360372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 373, 441, 588, 686, 746, 882, 1029, 1119, 1372, 1492, 1764, 2058, 2238, 2611, 3087, 3357, 4116, 4457, 4476, 5222, 6174, 6714, 7833, 8914, 10444, 12348, 13371, 13428, 15666, 17828, 18277, 23499, 26742, 31199, 31332, 36554, 40113, 46998, 53484, 54831, 62398, 73108, 80226, 93597, 93996, 109662, 124796, 127939, 160452, 164493, 187194, 218393, 219324, 255878, 280791, 328986, 374388, 383817, 436786, 511756, 561582, 655179, 657972, 767634, 873572, 1123164, 1151451, 1310358, 1528751, 1535268, 1662461, 1965537, 2302902, 2620716, 3057502, 3324922, 3931074, 4586253, 4605804, 4987383, 6115004, 6649844, 7862148, 9172506, 9974766, 11637227, 13758759, 14962149, 18345012, 19949532, 23274454, 27517518, 29924298, 34911681, 46548908, 55035036, 59848596, 69823362, 81460589, 104735043, 139646724, 162921178, 209470086, 244381767, 325842356, 418940172, 488763534, 570224123, 733145301, 977527068, 1140448246, 1466290602, 1710672369, 2280896492, 2932581204, 3421344738, 5132017107, 6842689476, 10264034214, 20528068428]

約数ペア:

[(1, 20528068428), (2, 10264034214), (3, 6842689476), (4, 5132017107), (6, 3421344738), (7, 2932581204), (9, 2280896492), (12, 1710672369), (14, 1466290602), (18, 1140448246), (21, 977527068), (28, 733145301), (36, 570224123), (42, 488763534), (49, 418940172), (63, 325842356), (84, 244381767), (98, 209470086), (126, 162921178), (147, 139646724), (196, 104735043), (252, 81460589), (294, 69823362), (343, 59848596), (373, 55035036), (441, 46548908), (588, 34911681), (686, 29924298), (746, 27517518), (882, 23274454), (1029, 19949532), (1119, 18345012), (1372, 14962149), (1492, 13758759), (1764, 11637227), (2058, 9974766), (2238, 9172506), (2611, 7862148), (3087, 6649844), (3357, 6115004), (4116, 4987383), (4457, 4605804), (4476, 4586253), (5222, 3931074), (6174, 3324922), (6714, 3057502), (7833, 2620716), (8914, 2302902), (10444, 1965537), (12348, 1662461), (13371, 1535268), (13428, 1528751), (15666, 1310358), (17828, 1151451), (18277, 1123164), (23499, 873572), (26742, 767634), (31199, 657972), (31332, 655179), (36554, 561582), (40113, 511756), (46998, 436786), (53484, 383817), (54831, 374388), (62398, 328986), (73108, 280791), (80226, 255878), (93597, 219324), (93996, 218393), (109662, 187194), (124796, 164493), (127939, 160452)]