20898072

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 61916400

約数和(自身を除く): 41018328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 83, 104, 117, 156, 166, 234, 249, 269, 312, 332, 468, 498, 538, 664, 747, 807, 936, 996, 1076, 1079, 1494, 1614, 1992, 2152, 2158, 2421, 2988, 3228, 3237, 3497, 4316, 4842, 5976, 6456, 6474, 6994, 8632, 9684, 9711, 10491, 12948, 13988, 19368, 19422, 20982, 22327, 25896, 27976, 31473, 38844, 41964, 44654, 62946, 66981, 77688, 83928, 89308, 125892, 133962, 178616, 200943, 251784, 267924, 290251, 401886, 535848, 580502, 803772, 870753, 1161004, 1607544, 1741506, 2322008, 2612259, 3483012, 5224518, 6966024, 10449036, 20898072]

約数ペア:

[(1, 20898072), (2, 10449036), (3, 6966024), (4, 5224518), (6, 3483012), (8, 2612259), (9, 2322008), (12, 1741506), (13, 1607544), (18, 1161004), (24, 870753), (26, 803772), (36, 580502), (39, 535848), (52, 401886), (72, 290251), (78, 267924), (83, 251784), (104, 200943), (117, 178616), (156, 133962), (166, 125892), (234, 89308), (249, 83928), (269, 77688), (312, 66981), (332, 62946), (468, 44654), (498, 41964), (538, 38844), (664, 31473), (747, 27976), (807, 25896), (936, 22327), (996, 20982), (1076, 19422), (1079, 19368), (1494, 13988), (1614, 12948), (1992, 10491), (2152, 9711), (2158, 9684), (2421, 8632), (2988, 6994), (3228, 6474), (3237, 6456), (3497, 5976), (4316, 4842)]