20922512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 47465712

約数和(自身を除く): 26543200

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 61, 68, 97, 104, 122, 136, 194, 208, 221, 244, 272, 388, 442, 488, 776, 793, 884, 976, 1037, 1261, 1552, 1586, 1649, 1768, 2074, 2522, 3172, 3298, 3536, 4148, 5044, 5917, 6344, 6596, 8296, 10088, 11834, 12688, 13192, 13481, 16592, 20176, 21437, 23668, 26384, 26962, 42874, 47336, 53924, 76921, 85748, 94672, 100589, 107848, 153842, 171496, 201178, 215696, 307684, 342992, 402356, 615368, 804712, 1230736, 1307657, 1609424, 2615314, 5230628, 10461256, 20922512]

約数ペア:

[(1, 20922512), (2, 10461256), (4, 5230628), (8, 2615314), (13, 1609424), (16, 1307657), (17, 1230736), (26, 804712), (34, 615368), (52, 402356), (61, 342992), (68, 307684), (97, 215696), (104, 201178), (122, 171496), (136, 153842), (194, 107848), (208, 100589), (221, 94672), (244, 85748), (272, 76921), (388, 53924), (442, 47336), (488, 42874), (776, 26962), (793, 26384), (884, 23668), (976, 21437), (1037, 20176), (1261, 16592), (1552, 13481), (1586, 13192), (1649, 12688), (1768, 11834), (2074, 10088), (2522, 8296), (3172, 6596), (3298, 6344), (3536, 5917), (4148, 5044)]